Cardiac Output (Fick’s Formula)
Calculates estimated cardiac output, cardiac index, and stroke volume using the indirect Fick method.
Patient Information
kg
cm
%
As measured on arterial blood gas (ABG).
%
Mixed venous saturation from a PA catheter.
g/L
beats/min
years
Age ≥70 years uses a lower estimated resting VO₂.
Estimated Results
Cardiac Output
—
Cardiac Index
—
Stroke Volume
—
Clinical note: This calculator estimates resting oxygen consumption and does not replace direct VO₂ measurement. Interpret results with the patient’s clinical condition, hemodynamics, sampling quality, and local protocols.
