WhiteBoard Medicine - Emergency And Critical Care

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  #333 Mitral Stenosis & Mitral Regurgitation Masterclass: Decompensation, Hemodynamics & Management 10.10.2026 44Min.

  Decompensated mitral stenosis and mitral regurgitation require distinct approaches to hemodynamic assessment and stabilization. This comprehensive masterclass reviews the physiology, recognition, and emergency management of both conditions, comparing their effects on ventricular filling, left atrial pressure, pulmonary congestion, and forward cardiac output. Topics covered include:• Mitral stenosis and mitral regurgitation pathophysiology• Hemodynamic differences between stenotic and regurgitant valve disease• Acute versus chronic presentations and triggers for decompensation• Left atrial pressure, pulmonary edema, and pulmonary hypertension• Preload, afterload, heart rate, and cardiac output• Atrial fibrillation and its hemodynamic consequences• Ventricular function and cardiogenic shock• Clinical recognition and echocardiographic evaluation• Volume assessment and diuresis considerations• Rate and rhythm management considerations• Afterload reduction and vasoactive medication considerations• Respiratory support and hemodynamic stabilization• Specialist evaluation and definitive valve intervention• Key differences in management priorities for mitral stenosis versus regurgitation The discussion connects mitral valve physiology with clinical deterioration, emphasizing how the underlying lesion influences assessment, treatment selection, and stabilization priorities. 🎥 Watch the Full Video on YouTubehttps://www.youtube.com/watch?v=z-DGicLG5gM 📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicinePatreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is for educational purposes only and is not a substitute for professional medical advice, clinical judgment, or individualized patient care. Never disregard professional medical advice or delay seeking it because of this content.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #332 Decompensating Mitral Regurgitation Explained: Hemodynamics, Recognition & Emergency Management 08.10.2026 18Min.

  Decompensating mitral regurgitation requires recognition of pulmonary congestion, impaired forward cardiac output, and hemodynamic instability. This episode reviews mitral regurgitation physiology, acute versus chronic presentations, and emergency management considerations, connecting valvular dysfunction with pulmonary edema and cardiogenic shock. Topics covered include:• Mitral regurgitation anatomy and pathophysiology• Acute versus decompensated chronic mitral regurgitation• Regurgitant flow, left atrial pressure, and forward cardiac output• Effects of preload, afterload, and ventricular function• Causes and precipitating factors for decompensation• Clinical recognition of pulmonary edema and cardiogenic shock• Echocardiographic evaluation• Volume assessment and diuresis considerations• Afterload reduction and blood pressure considerations• Respiratory support and hemodynamic stabilization• Vasoactive medications and mechanical circulatory support considerations• Specialist evaluation and definitive valve intervention The discussion emphasizes how the timing and severity of mitral regurgitation influence clinical presentation, hemodynamics, and stabilization priorities. 🎥 Watch the Full Video on YouTubehttps://www.youtube.com/watch?v=jluwuXA0oB4 📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicinePatreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is for educational purposes only and is not a substitute for professional medical advice, clinical judgment, or individualized patient care. Never disregard professional medical advice or delay seeking it because of this content.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #331 Decompensated Mitral Stenosis Explained: Hemodynamics, Recognition & Emergency Management 06.10.2026 25Min.

  Decompensated mitral stenosis presents important challenges in the assessment and management of acute valvular heart disease. This episode reviews mitral stenosis physiology, mechanisms of hemodynamic deterioration, and emergency management considerations, with attention to pulmonary congestion, heart rate, rhythm, and cardiac output. Topics covered include:• Mitral stenosis anatomy and pathophysiology• Left atrial pressure and impaired left ventricular filling• Transmitral pressure gradients and heart rate• Precipitating factors for acute decompensation• Atrial fibrillation and rapid ventricular response• Pulmonary edema and respiratory distress• Pulmonary hypertension and right ventricular dysfunction• Clinical recognition and echocardiographic evaluation• Volume assessment and diuresis considerations• Rate and rhythm management considerations• Respiratory support and hemodynamic stabilization• Specialist evaluation and definitive valve intervention 🎥 Watch the Full Video on YouTubehttps://www.youtube.com/watch?v=6vDLQOlnCdE 📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicinePatreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is for educational purposes only and is not a substitute for professional medical advice, clinical judgment, or individualized patient care. Never disregard professional medical advice or delay seeking it because of this content.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #330 Oxygen Physiology Masterclass: PaO2, SaO2, Oxygen Content, Oxyhemoglobin Dissociation Curve 04.10.2026 45Min.

  Oxygen physiology is essential for understanding hypoxemia, oxygen saturation, oxygen content, tissue oxygen delivery, and the oxyhemoglobin dissociation curve. In this masterclass episode, we review PaO2, SaO2, SpO2, arterial oxygen content, hemoglobin-bound oxygen, dissolved oxygen, oxygen delivery, and how the oxyhemoglobin dissociation curve ties these concepts together. Topics covered include:• What PaO2 means• What SaO2 and SpO2 mean• Oxygen saturation versus oxygen content• Hemoglobin-bound oxygen and dissolved oxygen• Arterial oxygen content and the CaO2 equation• Oxygen delivery and the DO2 equation• Oxyhemoglobin dissociation curve basics• Relationship between PaO2 and SaO2• P50 and hemoglobin oxygen affinity• Left shift and right shift of the curve• Bohr effect, pH, CO2, temperature, and 2,3-BPG• Oxygen unloading at the tissue level• Anemia and oxygen content• Shock and oxygen delivery• Practical clinical interpretation of oxygenation values Watch the full video on YouTube: https://www.youtube.com/watch?v=rZBGeIlvnO4  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #329 Decompensating Aortic Valvulopathies Masterclass: Aortic Stenosis and Aortic Regurgitation 02.10.2026 52Min.

  Decompensating aortic valve disease can lead to pulmonary edema, hypotension, cardiogenic shock, arrhythmias, and rapid hemodynamic collapse. In this masterclass episode, we compare severe aortic stenosis and severe aortic regurgitation, focusing on physiology, bedside recognition, hemodynamic differences, emergency management principles, and key clinical pitfalls. Topics covered include:• What aortic valvulopathies are• Aortic stenosis versus aortic regurgitation• Severe aortic stenosis physiology• Fixed left ventricular outflow obstruction• Pressure overload and left ventricular hypertrophy• Preload dependence and coronary perfusion• Severe aortic regurgitation physiology• Aortic valve insufficiency and regurgitant flow• Left ventricular volume overload• Diastolic runoff and low diastolic pressure• Acute versus chronic aortic regurgitation• Pulmonary edema and cardiogenic shock• Bedside recognition and diagnostic clues• Murmurs, pulse pressure, ECG, POCUS, and echocardiography• Vasopressor, inotrope, vasodilator, and fluid considerations• Key differences in emergency management• Valve intervention and definitive management Watch the full video on YouTube: https://www.youtube.com/watch?v=-7YRaZywRXQ  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #328 Peak Pressure vs Plateau Pressure Masterclass: Airway Resistance, Lung Compliance, and Pressure 30.09.2026 48Min.

  Peak pressure and plateau pressure are foundational concepts in mechanical ventilation and ventilator troubleshooting. In this masterclass episode, we review airway resistance and lung compliance, then take a deeper dive into peak pressure, plateau pressure, ventilator pressure interpretation, and how these values help identify obstructive physiology, reduced compliance, and ventilator-related problems. Topics covered include:• Airway resistance basics• Lung compliance basics• Peak pressure basics• Plateau pressure basics• Difference between peak pressure and plateau pressure• How airway resistance affects peak pressure• How lung compliance affects plateau pressure• High peak pressure with normal plateau pressure• High peak pressure with high plateau pressure• Causes of increased airway resistance• Causes of decreased lung compliance• Inspiratory hold maneuver• Ventilator waveforms and pressure interpretation• Obstructive physiology and bronchospasm• ARDS, pulmonary edema, atelectasis, and low compliance• Practical ventilator troubleshooting• Bedside approach to peak and plateau pressure changes Watch the full video on YouTube: https://www.youtube.com/watch?v=RLIJKFpD1H4  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #327 Airway Resistance & Lung Compliance Explained: Peak Pressure, Plateau Pressure, Ventilator Basics 28.09.2026 20Min.

  Airway resistance and lung compliance are foundational concepts for understanding mechanical ventilation, peak pressure, plateau pressure, and ventilator troubleshooting. In this episode, we review what airway resistance and lung compliance mean, how they affect ventilator pressures, and how to interpret changes in peak and plateau pressure at the bedside. Topics covered include:• What airway resistance means• What lung compliance means• Peak pressure basics• Plateau pressure basics• Difference between peak pressure and plateau pressure• How airway resistance affects peak pressure• How lung compliance affects plateau pressure• High airway resistance patterns• Low lung compliance patterns• Common causes of increased airway resistance• Common causes of decreased lung compliance• Ventilator waveform basics• Practical interpretation of ventilator pressures• Introductory ventilator troubleshooting Watch the full video on YouTube: https://www.youtube.com/watch?v=rugnCUpH6S8  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #326 PaO2 vs Oxygen Saturation vs Oxygen Content Explained: Key Differences in Oxygenation 26.09.2026 20Min.

  PaO2, oxygen saturation, and oxygen content are related but very different ways of understanding oxygenation and oxygen delivery. In this episode, we compare PaO2, SpO2/SaO2, and arterial oxygen content, focusing on what each value means, how they are measured, how they relate to hemoglobin, and why normal oxygen saturation does not always mean normal oxygen delivery. Topics covered include:• What PaO2 means• What oxygen saturation means• SpO2 versus SaO2• What oxygen content means• The oxygen-hemoglobin dissociation curve• Relationship between PaO2 and oxygen saturation• Hemoglobin-bound oxygen versus dissolved oxygen• Arterial oxygen content and the CaO2 equation• Why hemoglobin concentration matters• Oxygen delivery and the DO2 equation• Anemia and oxygen content• Hypoxemia and oxygen saturation• Shock and impaired oxygen delivery• Practical clinical interpretation of oxygenation values Watch the full video on YouTube: https://www.youtube.com/watch?v=eMNinvf9hk8  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #325 Decompensating Aortic Regurgitation Explained: Recognition, Hemodynamics, and Emergency Management 24.09.2026 20Min.

  Decompensating aortic regurgitation is a high-risk clinical scenario where severe aortic valve insufficiency can lead to pulmonary edema, hypotension, cardiogenic shock, and rapid hemodynamic collapse. In this episode, we review the physiology of aortic regurgitation, how acute and chronic aortic regurgitation can decompensate, key bedside recognition features, and the principles of emergency and critical care management. Topics covered include:• What aortic regurgitation is• Acute versus chronic aortic regurgitation• Aortic valve insufficiency and regurgitant flow• Left ventricular volume overload• Diastolic runoff and low diastolic pressure• Wide pulse pressure in chronic aortic regurgitation• Pulmonary edema in acute aortic regurgitation• Hypotension and cardiogenic shock• Why bradycardia can worsen aortic regurgitation• Afterload and forward flow considerations• Bedside recognition and diagnostic clues• Murmur findings and pulse pressure patterns• ECG, chest X-ray, point-of-care ultrasound, and echocardiography• Vasodilator, vasopressor, and inotrope considerations• Avoiding common management pitfalls• Valve intervention and definitive management Watch the full video on YouTube: https://www.youtube.com/watch?v=4yDoxqxgk1c  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #324 Decompensating Aortic Stenosis Explained: Recognition, Hemodynamics, and Emergency Management 22.09.2026 29Min.

  Decompensating aortic stenosis is a high-risk clinical scenario where fixed left ventricular outflow obstruction can lead to hypotension, pulmonary edema, cardiogenic shock, arrhythmias, and rapid hemodynamic collapse. In this episode, we review the physiology of severe aortic stenosis, how decompensation develops, key bedside recognition features, and the principles of emergency and critical care management. Topics covered include:• What aortic stenosis is• Severe aortic stenosis physiology• Fixed left ventricular outflow obstruction• Pressure overload and left ventricular hypertrophy• Preload dependence and diastolic filling• Coronary perfusion considerations• Why tachycardia and hypotension are dangerous• Pulmonary edema in aortic stenosis• Syncope, angina, dyspnea, and heart failure symptoms• Decompensated aortic stenosis and cardiogenic shock• Bedside recognition and diagnostic clues• ECG, chest X-ray, point-of-care ultrasound, and echocardiography• Vasopressor and fluid considerations• Avoiding common management pitfalls• Valve intervention and definitive management Watch the full video on YouTube: https://www.youtube.com/watch?v=Idk53aRgELM  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #323 Mechanical Ventilation Masterclass: Optimizing PEEP with Driving Pressure and Stress Index 20.09.2026 39Min.

  PEEP optimization is a key part of lung-protective mechanical ventilation, especially when managing hypoxemia, atelectasis, ARDS, overdistension, tidal recruitment, and ventilator-induced lung injury. In this episode, we review how driving pressure and stress index can help guide PEEP decisions and support a more physiologic approach to ventilator management. Topics covered include:• What PEEP is• Why PEEP optimization matters• Alveolar recruitment and derecruitment• Overdistension and lung stress• Driving pressure and respiratory system compliance• Plateau pressure, PEEP, and tidal volume relationships• Stress index and pressure-time waveform interpretation• Stress index less than 1• Stress index equal to 1• Stress index greater than 1• Using driving pressure to guide PEEP• Using stress index to guide PEEP• Balancing recruitment and overdistension• Lung-protective ventilation in ARDS• Practical bedside approach to PEEP optimization• Limitations and clinical context Watch the full video on YouTube: https://www.youtube.com/watch?v=7TYioPC4_lo  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #322 Refractory Shock Masterclass: Nitric Oxide Scavengers, Methylene Blue, and Hydroxocobalamin 18.09.2026 56Min.

  Methylene blue and hydroxocobalamin are rescue therapies sometimes considered for vasoplegic shock and refractory vasodilation. In this episode, we compare methylene blue with hydroxocobalamin, focusing on mechanisms of action, nitric oxide-mediated vasodilation, hemodynamic effects, dosing considerations, adverse effects, and practical clinical use. Topics covered include:• What vasoplegic shock is• Refractory vasodilation and shock physiology• Nitric oxide-mediated vasodilation• Methylene blue mechanism of action• Hydroxocobalamin mechanism of action• Hemodynamic effects of methylene blue• Hemodynamic effects of hydroxocobalamin• Clinical scenarios where these agents may be considered• Dosing and administration considerations• Adverse effects and monitoring• Interference with labs, pulse oximetry, and dialysis machines• Methylene blue versus hydroxocobalamin comparison• Practical bedside considerations in vasoplegic shock Watch the full video on YouTube: https://www.youtube.com/watch?v=D77f6YsQhbs  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #321 Driving Pressure vs Stress Index Compared: Mechanical Ventilation, Alveolar Distention, and Waveform 16.09.2026 14Min.

  Driving pressure and stress index are two important concepts used to think about lung stress, lung-protective ventilation, overdistension, tidal recruitment, and ventilator-induced lung injury. In this episode, we compare driving pressure with stress index, focusing on what each measurement means, how they are interpreted, how they relate to compliance and ventilator waveforms, and how they can inform mechanical ventilation strategy. Topics covered include:• What driving pressure is• What stress index is• Plateau pressure, PEEP, and driving pressure• Pressure-time waveform interpretation• Lung stress and strain during mechanical ventilation• Respiratory system compliance• Overdistension• Tidal recruitment and derecruitment• Stress index less than 1• Stress index equal to 1• Stress index greater than 1• Driving pressure and lung-protective ventilation• Stress index and ventilator waveform analysis• Comparing driving pressure and stress index• Practical bedside applications and limitations Watch the full video on YouTube: https://www.youtube.com/watch?v=fULtSMAxMJ8  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #320 Methylene Blue vs Hydroxocobalamin Compared: Vasoplegic Shock, Mechanisms, Adverse Effects, and Use 14.09.2026 22Min.

  Methylene blue and hydroxocobalamin are rescue therapies sometimes considered for vasoplegic shock and refractory vasodilation. In this episode, we compare methylene blue with hydroxocobalamin, focusing on mechanisms of action, nitric oxide-mediated vasodilation, hemodynamic effects, dosing considerations, adverse effects, and practical clinical use. Topics covered include:• What vasoplegic shock is• Refractory vasodilation and shock physiology• Nitric oxide-mediated vasodilation• Methylene blue mechanism of action• Hydroxocobalamin mechanism of action• Hemodynamic effects of methylene blue• Hemodynamic effects of hydroxocobalamin• Clinical scenarios where these agents may be considered• Dosing and administration considerations• Adverse effects and monitoring• Interference with labs, pulse oximetry, and dialysis machines• Methylene blue versus hydroxocobalamin comparison• Practical bedside considerations in vasoplegic shock Watch the full video on YouTube: https://www.youtube.com/watch?v=LfBMevNxEfg  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #319 Stress Index Explained: Mechanical Ventilation, Alveolar Distention, and Pressure Time Waveform 12.09.2026 24Min.

  The stress index is a ventilator waveform concept used to assess lung stress, overdistension, and tidal recruitment during mechanical ventilation. In this episode, we review what the stress index is, how it is interpreted on ventilator waveforms, how it relates to lung-protective ventilation, and how clinicians use it to think about PEEP, tidal volume, compliance, and ventilator-induced lung injury. Topics covered include:• What the stress index is• Pressure-time waveform interpretation• Lung stress and strain during mechanical ventilation• Overdistension and excessive tidal volume• Tidal recruitment and derecruitment• Relationship between stress index and compliance• Stress index less than 1• Stress index equal to 1• Stress index greater than 1• PEEP adjustment and lung recruitment• Tidal volume adjustment and lung-protective ventilation• Ventilator-induced lung injury• Practical bedside applications of the stress index• Limitations of stress index interpretation Watch the full video on YouTube: https://www.youtube.com/watch?v=ybrdFe8rlOo  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #318 Norepinephrine Masterclass: Foundations, Clinical Scenarios, Dosing, Bedside Applications 10.09.2026 48Min.

  Norepinephrine is one of the most important vasopressors in emergency medicine and critical care. In this masterclass episode, we review the foundations of norepinephrine, including mechanism of action, receptor effects, hemodynamics, dosing, adverse effects, and monitoring, then take a deeper dive into clinical scenarios and bedside applications where norepinephrine is commonly used. Topics covered include:• What norepinephrine is• Norepinephrine mechanism of action• Alpha-1, beta-1, and beta-2 receptor effects• Hemodynamic effects on vascular tone and cardiac output• Norepinephrine dosing and titration• Central versus peripheral administration• Norepinephrine adverse effects and monitoring• Norepinephrine in septic shock• Norepinephrine in distributive shock• Norepinephrine in cardiogenic shock• Norepinephrine in hemorrhagic shock• Norepinephrine in post-intubation hypotension• Norepinephrine and bradycardia• Norepinephrine versus epinephrine• Norepinephrine versus phenylephrine• Extravasation and safety considerations• Practical bedside norepinephrine scenarios Watch the full video on YouTube: https://www.youtube.com/watch?v=vFjL5sp3MSk  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #317 Dobutamine vs Milrinone Masterclass: Mechanisms, Hemodynamics, Dosing, And Clinical Use 08.09.2026 57Min.

  Dobutamine and milrinone are two important inotropes used in heart failure, cardiogenic shock, low cardiac output states, and critical care. In this masterclass episode, we compare dobutamine and milrinone with a focus on mechanisms of action, receptor effects, hemodynamics, dosing considerations, adverse effects, monitoring, and practical bedside use. Topics covered include:• What inotropes are• Cardiac output, contractility, and hemodynamics• Dobutamine mechanism of action• Dobutamine receptor effects• Dobutamine hemodynamic profile• Dobutamine dosing considerations• Dobutamine adverse effects and monitoring• Milrinone mechanism of action• Phosphodiesterase-3 inhibition• Milrinone hemodynamic profile• Milrinone dosing considerations• Milrinone adverse effects and monitoring• Dobutamine versus milrinone comparison• Cardiogenic shock and acute decompensated heart failure• Pulmonary hypertension and right ventricular failure considerations• Practical ICU and emergency medicine applications Watch the full video on YouTube: https://www.youtube.com/watch?v=U65DnH9VSoE  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #316 Norepinephrine Explained: Principles, Clinical Applications, and Unique Scenarios 06.09.2026 28Min.

  Norepinephrine is one of the most important vasopressors in emergency medicine and critical care. In this episode, we review norepinephrine with a focus on core principles, clinical applications, dosing, hemodynamic effects, receptor physiology, adverse effects, and unique bedside scenarios where norepinephrine is commonly considered. Topics covered include:• What norepinephrine is• Norepinephrine mechanism of action• Alpha-1, beta-1, and beta-2 receptor effects• Hemodynamic effects on blood pressure and cardiac output• Norepinephrine dosing considerations• Norepinephrine in septic shock• Norepinephrine in distributive shock• Norepinephrine in cardiogenic shock• Norepinephrine in hemorrhagic shock• Norepinephrine in post-intubation hypotension• Peripheral norepinephrine considerations• Norepinephrine extravasation• Norepinephrine versus epinephrine• Norepinephrine versus phenylephrine• Adverse effects and monitoring• Practical bedside applications and clinical scenarios Watch the full video on YouTube: https://www.youtube.com/watch?v=w13P5CZWliY  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #315 Dobutamine vs Milrinone Explained: Key Differences, Hemodynamics, and Clinical Use 04.09.2026 17Min.

  Dobutamine and milrinone are two commonly used inotropes with important differences in mechanism, hemodynamics, dosing, adverse effects, and clinical use. In this episode, we review the key differences between dobutamine and milrinone and how to think through inotrope selection at the bedside. Topics covered include:• Dobutamine mechanism of action• Milrinone mechanism of action• Beta-1 agonism versus PDE-3 inhibition• Hemodynamic effects of dobutamine• Hemodynamic effects of milrinone• Effects on heart rate, contractility, and vascular tone• Pulmonary vascular resistance considerations• Renal function considerations• Common indications• Adverse effects and monitoring• Practical dobutamine versus milrinone comparison Watch the full video on YouTube: https://www.youtube.com/watch?v=NDHbQxwMYIA  📚 Want More Emergency & Critical Care Medicine Education?Join the WhiteBoard Medicine Patreon community:https://www.patreon.com/WhiteBoardMedicine Patreon members receive access to:• Downloadable Study Guides• Clinical One-Pagers• Practice Questions• Mini-Courses• Comprehensive Clinical Reviews• Ad-Free Videos• Early Access Content 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer
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  #314 Masterclass Oxygen Hemoglobin Dissociation Curve: Basics, Shifts, Bohr, Oxygen Content, Applications 30.08.2026 52Min.

  The oxygen-hemoglobin dissociation curve is a foundational concept for understanding oxygen binding, oxygen unloading, hemoglobin saturation, P50, left and right shifts, oxygen content, oxygen delivery, and clinical oxygenation. In this masterclass episode, we bring together the core physiology and advanced applications of the oxygen-hemoglobin dissociation curve, including the Bohr effect, 2,3-BPG, anemia, sepsis, shock, and tissue oxygen delivery. Topics covered include:• What the oxygen-hemoglobin dissociation curve is• Hemoglobin saturation and PaO2• Oxygen binding and oxygen unloading• Sigmoidal shape of the curve• Hemoglobin oxygen affinity• P50 and what it means• Left shift of the oxygen-hemoglobin curve• Right shift of the oxygen-hemoglobin curve• Temperature, pH, CO2, and 2,3-BPG• Bohr effect and oxygen unloading• Oxygen content and the CaO2 equation• Oxygen delivery and the DO2 equation• Relationship between hemoglobin, saturation, PaO2, and cardiac output• Oxygen delivery in anemia• Oxygen delivery in sepsis and shock• Tissue oxygen extraction and oxygen consumption• Practical clinical applications in critical care Watch the full video on YouTube: https://www.youtube.com/watch?v=JoLafLHdQss  📚 Join the WhiteBoard Medicine Patreon Communityhttps://www.patreon.com/WhiteBoardMedicine Join a growing emergency medicine, critical care, and resuscitation education community built around high-yield clinical learning. Patreon members get access to:• Comprehensive Study Guides• Bedside One-Pagers• Clinical Reviews• Mini-Courses• Practice Questions• Ad-Free Videos• Structured Topic Collections 🌐 WhiteBoard Medicine WebsiteExplore our growing library of critical care and emergency medicine content:https://www.whiteboardmedicine.com ⚠️ Educational Disclaimer:This content is intended for educational purposes only and should not be used as a substitute for clinical judgment, institutional protocols, specialist consultation, or individualized patient care.Full disclaimer: https://whiteboardmedicine.com/disclaimer