Behind The Knife: The Surgery Podcast Behind the Knife ABSITE 2025 - Critical Care
Jan 1, 2025
Dive into a world of critical care insights! Discover key formulas for oxygen delivery and their clinical significance. Unpack the nuances of hemodynamic monitors and cardiac indices crucial for ICU care. Navigate through various types of shock and their physiological impacts. Learn essential sepsis diagnostics and management strategies, while understanding the role of adrenal support. The discussion also tackles respiratory failure, ARDS management, and the intricacies of ventilator settings. A must-listen for medical professionals aiming to sharpen their skills!
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Oxygen Delivery Depends On Hb And CO
- Oxygen delivery equals cardiac output times blood oxygen content and depends mainly on hemoglobin and saturation.
- PaO2 (dissolved O2) contributes very little, so transfuse or optimize CO/SaO2 to improve delivery.
Match Hemodynamics To Shock Type
- In hypovolemic shock expect high SVR, low filling pressures, and low cardiac output.
- In cardiogenic shock expect high SVR and filling pressures with low output; in septic shock expect low SVR and initial high output.
Treating Neurogenic Shock
- Treat neurogenic shock with fluids and vasopressors such as phenylephrine or norepinephrine.
- Consider dopamine if high spinal injury causes bradycardia from loss of sympathetic tone.
