Rapid ventricular ejection

- Ventricular pressure reaches its maximum value.

- When ventricular pressure becomes greater than aortic pressure, the aortic valve opens.

- Rapid ejection of blood into the aorta occurs because of the pressure gradient between the ventricle and the aorta.

- Ventricular volume decreases dramatically because most of the stroke volume is ejected during this phase.

- Atrial filling begins.

- The onset of the T wave, which represents repolarization of the ventricles, marks the end of both ventricular contraction and rapid ventricular ejection.

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