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Oxygenation & Gas Exchange

Oxygen Consumption (VO₂)

Development preview · Needs clinical review · Not validated for clinical use. Last clinical review: pending.

Inputs

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Calculated result

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Formula & limitations

VO₂ ≈ 1.34 × Hb × (SaO₂ − SvO₂)/100 × CO / 100 (CO in mL/min)

Simplified Fick estimate omits dissolved oxygen. Requires systemic CO and mixed venous sampling; cannot infer total consumption from ECMO pump flow alone. DO₂/VO₂ is undefined at zero VO₂.

References