One complete heartbeat: systole (ventricular contraction, blood ejection) + diastole (relaxation, filling). ~0.8 s at rest; Wiggers diagram synchronises pressure, volume, ECG, heart sounds.
One complete heartbeat: systole (ventricular contraction, blood ejection) + diastole (relaxation, filling). ~0.8 s at rest; Wiggers diagram synchronises pressure, volume, ECG, heart sounds.