PMC4771860_01
(A) Transthoracic echocardiography on admission showed a dilated left atrium and left ventricle. The left ventricular wall motion was severely and diffusely hypokinetic. The left ventricular ejection fraction calculated by the biplane Simpson's method was 15%. (B) Transthoracic echocardiography after 6 months depicted systolic function improvement in both the left atrium and left ventricle. The left ventricular ejection fraction was 50%.
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LV end-diastolic diameter and end-systolic diameter was 63 and 56 mm, respectively. LV wall motion exhibited globally severe hypokinesis with an LV ejection fraction (LVEF) of 15%, calculated using Simpson's method (Fig. 1A). The LVEF improved to 50% (Fig. 1B) and brain natriuretic peptide decreased to 6.6 pg/mL.