Identification > Measurements > Methods of measurement > Measurement of the duration of the phases of cardiac cycle

Most simply the duration of the phases of cardiac cycle is determined by analyzing the electrocardiogram, and many other ways. The preferred method can be considered polycardiography - non-invasive method for the study phase of the cardiac cycle, based on measuring the intervals between the elements synchronously registered sphygmogram the carotid artery, phonocardiogram and electrocardiogram.

Polycardiogram