case_images: PMC8326605_01
case_images: A chest X-ray on admission revealed significant cardiomegaly with pulmonary congestion and an implanted CRT-D (a) and a 12-lead ECG revealed sinus tachycardia with all biventricular pacing (b).
case_images: 10.1177_2050313X211037445-fig1.jpg
case_images: PMC8326605_01_10.1177_2050313X211037445-fig1.jpg
case_images: fig1-2050313X211037445
case_images: A chest X-ray on admission revealed significant cardiomegaly with pulmonary congestion (Figure 1(a)). A 12-lead electrocardiogram (ECG) revealed sinus tachycardia with biventricular pacing, which was unchanged compared to the previous findings (Figure 1(b)).
case_images: A transthoracic echocardiogram on admission revealed severe left ventricular dysfunction with marked dilatation of the chambers and severe functional mitral regurgitation.
case_images: 10.1177_2050313X211037445-fig2.jpg
case_images: PMC8326605_01_10.1177_2050313X211037445-fig2.jpg
case_images: fig2-2050313X211037445
case_images: Severe functional mitral regurgitation, with an effective regurgitant orifice of 0.62 cm2, was also observed (Figure 2).
case_images: The clinical course during hospitalization.. AST: aspartate aminotransferase; ALT: alanine aminotransferase; BUN: blood urea nitrogen; sCr: serum creatinine; BNP: brain natriuretic peptide.
case_images: 10.1177_2050313X211037445-fig3.jpg
case_images: PMC8326605_01_10.1177_2050313X211037445-fig3.jpg
case_images: fig3-2050313X211037445
case_images: The clinical course during hospitalization was shown in Figure 3.