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5 Minutes PICU

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

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PICU Resp Formulas

PICU CNS Formulas

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