Latest / WhiteBoard Medicine - Emergency And Critical Care
#257 Stressed Vs Unstressed Volume Explained | Venous Return, MSFP & Shock
Understanding stressed vs unstressed volume is one of the most important—and most misunderstood—concepts in hemodynamics and shock. In this episode, we break down how venous capacitance, mean systemic filling pressure (MSFP), and venous returnactually work, and why they matter for managing critically ill patients in the ICU and emergency department. We focus on translating physiology into practical bedside understanding, including: What stressed and unstressed volume actually represent How MSFP drives venous return Why vasopressors (like norepinephrine) increase effective circulating volume…
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