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LVEF Assessment — EECC MCQ

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EasyCardiac ImagingLVEF AssessmentEECC

A 60-year-old woman with breathlessness undergoes transthoracic echocardiography. The LVEF is measured using the biplane Simpson method. Her LV end-diastolic volume is 150 mL and LV end-systolic volume is 75 mL. What is her LVEF?

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Correct answer: E — 50%

LVEF = (LVEDV - LVESV) / LVEDV x 100 = (150 - 75) / 150 x 100 = 50%. The biplane Simpson method is the recommended echocardiographic method for measuring LVEF. An LVEF of 50% would classify the patient as having preserved ejection fraction if she has symptoms and signs of heart failure.

Reference: BSE (2020): Echocardiographic Assessment of Left Ventricular Systolic Function