Diastole and systole refer to when the heart muscles relax and contract. The balance between diastolic and systolic pressure determines a person’s blood pressure. A blood pressure reading displays ...
Left ventricular end-diastolic volume is the amount of blood in the heart’s left ventricle just before the heart contracts. While the right ventricle also has an end-diastolic volume, it’s the value ...
Blood pressure consists of two numbers. Systolic pressure, the force exerted on blood vessels when the heart beats, is the upper number. Diastolic pressure, the force exerted when the heart is at rest ...