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Cardiac Output by Fick Method

Purpose:

To calculate cardiac output by the Fick method.

Specialty:

Cardiovascular Diseases, Geriatric Medicine - Family Practice, Geriatric Medicine - Internal Medicine, Hematology

Objective:

other testing, complication detection

ICD-10:

I00-I99, J00-J99

Description:

The cardiac output can be estimated by dividing oxygen consumption by the difference in oxygen content between arterial and venous blood. The difference between the arterial and mixed venous blood oxygen concentration correlates with oxygen uptake per unit of blood as it flows through the lungs (Fick Principle). The method is cumbersome due to the need to collect expired air and arterial blood gases.

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