Diastolic Function 2023 ASE Guidelines Echocardiography
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Diastolic function is defined as
Diastolic function is defined as the filling of the heart during diastole. The left ventricle is filled with blood initially by a pressure gradient between the left atrium (LA) and the left ventricle (LV). Especially ventricles of young healthy individuals also create suction in the very early phase of filling due to a rapid expansion of the LV. In between passive and active filling of the left ventricle there is a period of time where only little filling occurs, the so-called diastasis. Therefore diastolic dysfunction is understood as impaired left ventricular relaxation with increased stiffness of the LV and elevated filling pressures.
Diastolic dysfunction occurs when the left ventricular myocardium is non-compliant and not able to accept blood return in a normal fashion from the left atrium. This can be a normal physiologic change with aging of the heart or result in elevated left atrial pressures leading to the clinical manifestations of diastolic congestive heart failure. There are four grades of diastolic dysfunction as described below. Echocardiography is the gold standard to diagnose diastolic dysfunction.
Diastolic dysfunction occurs when the left ventricular myocardium is non-compliant and not able to accept blood return in a normal fashion from the left atrium. This can be a normal physiologic change with aging of the heart or result in elevated left atrial pressures leading to the clinical manifestations of diastolic congestive heart failure. There are four grades of diastolic dysfunction as described below. Echocardiography is the gold standard to diagnose diastolic dysfunction.
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