VENTRICULAR END DIASTOLIC VOLUMES Meaning and
Definition
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Ventricular End Diastolic Volume (EDV) refers to the amount of blood present in the ventricles during the diastolic phase, i.e., the relaxation phase, of the cardiac cycle. It specifically represents the maximum volume of blood within each ventricle just before the contraction begins, or during the filling phase.
The volume of blood in the ventricles at the end of diastole is an essential measurement in determining the preload on the heart, which is the amount of stretch the myocardium experiences. EDV is a critical parameter for evaluating cardiac function as it directly affects stroke volume, which is the amount of blood ejected from the ventricle during systole, or the contraction phase of the cardiac cycle.
The measurement of ventricular EDV is typically performed using imaging techniques such as echocardiography, cardiac magnetic resonance imaging (MRI), or computed tomography (CT) scanning. These non-invasive methods enable the assessment of the volume of blood present in the ventricles at the end of diastole.
Changes in ventricular volume can provide important clinical insights. For instance, an increased EDV may indicate an enlarged ventricle due to conditions like heart failure or fluid overload. Similarly, a decreased EDV may suggest reduced ventricular filling due to factors such as dehydration or myocardial infarction. Monitoring and analyzing ventricular end-diastolic volumes is therefore crucial for evaluating and managing various cardiovascular conditions.
Common Misspellings for VENTRICULAR END DIASTOLIC VOLUMES
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