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RVEF stands for "Right Ventricular Ejection Fraction." It's a critical metric used in cardiology to assess the pumping function and overall performance of the right ventricle, one of the four chambers of the heart. The right ventricular ejection fraction represents the percentage of blood pumped out of the right ventricle with each heartbeat, compared to the total volume of blood in the ventricle at the beginning of the heartbeat. A healthy right ventricular ejection fraction typically ranges between 45% and 60%, indicating efficient pumping and adequate blood flow to the lungs for oxygenation. However, deviations from this range can indicate various cardiac conditions and abnormalities, such as pulmonary hypertension, right ventricular dysfunction, or congenital heart defects. Clinicians use echocardiography, cardiac MRI, or nuclear imaging techniques to measure and evaluate the right ventricular ejection fraction, enabling early detection of cardiac dysfunction and informing treatment decisions. Monitoring changes in RVEF over time provides valuable insights into disease progression, response to therapy, and overall prognosis in patients with cardiovascular disorders. By assessing right ventricular function, RVEF plays a crucial role in diagnosing and managing a wide range of cardiovascular conditions, guiding therapeutic interventions, and optimizing patient outcomes in clinical practice.