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Pulmonology · Critical Care

Shunt Fraction (CvO2-based estimate) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Result

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Formula inputs

  • Shunt Pao2 Mmhg (mmHg)Accepted range: 20 to 500
  • Shunt Fio2 Fraction (fraction)Accepted range: 0.21 to 1

Primary source

West JB. Respiratory physiology. DOI: 10.1182/blood-2012-08-451326. PMID: 23051789. Scope: Educational shunt estimate from alveolar gas equation approximation. (2012)

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