Systole - Wikipedia Electrical waves track a systole (a contraction) of the heart The end-point of the P wave depolarization is the start-point of the atrial stage of systole
Systole | Definition, Cycle, Facts | Britannica systole, period of contraction of the ventricles of the heart that occurs between the first and second heart sounds of the cardiac cycle (the sequence of events in a single heart beat) Systole causes the ejection of blood into the aorta and pulmonary trunk
Understanding Diastolic and Systolic Blood Pressure - WebMD How do you know if it's systole or diastole? As the cuff deflates, the first sound you hear through the stethoscope is the systolic blood pressure, the top number in the reading
Systole vs. Diastole: Understanding the Hearts Pumping and Filling . . . Systole, derived from the Greek word meaning “contraction,” represents the active pumping phase of the cardiac cycle During this period, the ventricles of the heart contract vigorously, increasing pressure within their chambers
Cardiac Cycle - CV Physiology Systole represents the time during which the left and right ventricles contract and eject blood into the aorta and pulmonary artery, respectively During systole, the aortic and pulmonic valves open to permit ejection into the aorta and pulmonary artery