22.Which of the following phases of the cardiac eycle follows immediately after the beginning of the RS wave? A.Isovolumic relaxatior B.Ventricular ejection C.Atrialsystole D.Diastasis Isovolumic contraction EE 22. Which of the following phases of the cardiac cycle follows immediately after the beginning of the QRS wave? A. Isovolumic relaxation B. Ventricular ejection C. Atrialsystole D. Diastasis E. Isovolumic contraction E