5 Minutes PICU

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CVS Formulas

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5 minutes PICU
Cardiac Output
QpQs Ratio
Ventilation-Perfusion Ratio (VQ)
Arteriovenous Oxygen Difference (avDO₂)
Alveolar-Arterial Oxygen Gradient (A–a Gradient)
Shunt Fraction via Fick Method
Shunt Evaluation
Arterial Oxygen Content (CaO₂)
Oxygen Extraction Ratio (ERO₂)
Oxygen Delivery (DO2)
Oxygen Consumption (VO₂)
Oxygen Delivery and Extraction Integration (Shock Types)
High-Level Shock Differentiation (O2 Transport Formulas)
15. Coronary Perfusion Pressure (CPP)
Pulmonary Vascular Resistance Index (PVRI) (1)
Clinical Pearls for ICU Physicians
pulmonary artery pressure
oxygen extraction ratio (ERO₂) (1)
arteriovenous oxygen difference and its implication
VO₂, consumption of oxygen
Arterial Oxygen Content (CaO₂)
A–a gradient, and how is it interpreted
calculate Shunt Fraction via Fick Method
High SvO2 and low extraction suggest early septic shock)
High A-a gradient suggests shunt
Calculate QpQs
Calculate CaO2
shunt fraction (using Berggren)
5 minutes PICU