<unk>  can be used clinically as a measurement of the adequacy of cardiac emptying, related to<unk>  function. On an electrocardiogram, or ECG, the<unk>  will be seen at the end of the T wave. Clinically,<unk>  can be measured using two-dimensional echocardiography, MRI (magnetic resonance tomography) or cardiac CT (computed tomography) or SPECT (single photon emission computed tomography).
End-systolic volume
End-diastolic volume
Rate pressure product
Vascular resistance
Diastolic function
Tidal volume
Left atrial volume
Coronary perfusion pressure