Cardiac ventriculography is a medical imaging test used to determine a person's heart function in the right, or left ventricle.

[1] Cardiac ventriculography involves injecting contrast media into the heart's ventricle(s) to measure the volume of blood pumped.

The 3 major measurements obtained by cardiac ventriculography are: These three measurements share a commonality of ratios between end systolic volume and end diastolic volume and all lend mathematical structure to the common medical term systole.

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