Cardiac Cycle, Dr. D. Penney

Table 1.01. Duration of cardiac cycle phases as modified by heart rate (heart rate change from 75 to 150 beats per min)

Interval Duration (msec)

Rest ............. Exercise .....

R-R Interval 800 400

Ventricular Systole 270 210

Ventricular Diastole 530 190

Diastasis 200 0

Rapid Ventricular Filling + Atrial Systole 210 <100

Interval	Duration (msec)
	Rest .............	Exercise .....
R-R Interval	800	400
Ventricular Systole	270	210
Ventricular Diastole	530	190
Diastasis	200	0
Rapid Ventricular Filling + Atrial Systole	210	<100

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