PMC10263121_01
Echocardiography before and after L carnitine treatment. A: Apical four-chamber view before L carnitine therapy showing dilated LV, with moderate-severe mitral valve regurgitation. B: M:mode before L carnitine therapy showing LV dilatation with severe systolic dysfunction. C: Parasternal long axis view after L carnitine therapy with the reverse remodeling of LV with trivial mitral regurgitation (yellow arrow). D: M:mode after L carnitine therapy showing normal LV size and function. LA: left atrium, LV: left ventricle, RV: right ventricle, RA right atrium.
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Chest x-ray revealed cardiomegaly, and echocardiography revealed dilated left ventricle with severe dysfunction (EF 25%) (Fig. 2 A-B). The patient had regular follow up in the last three years and is asymptomatic with good cardiac function (Fig. 2 C-D).