case_images: PMC11150664_01
case_images: (A) A typical electrocardiogram. (B,C) Two-dimensional transthoracic echocardiography showed left ventricular hypertrophy and myocardium speckled pattern. (D) The contractility function was reduced. (E,F) Diastolic dysfunction (stage III) was found by pulse-waved Dopper echocardiogram.
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case_images: PMC11150664_01_fcvm-11-1374241-g001.jpg
case_images: F1
case_images: ECG showed old inferior and interior wall myocardial infarction (Figure 1A). What's more, mild to moderate insufficiency was found in the aortic, mitral, and tricuspid valves (Figures 1B-E).
case_images: (A,B) Cine and late gadolinium-enhanced MRI. (C-E) A SPECT imaging using 99mTc-PYP scintigraphy showing uptake of 99mTc-PYP by cardiac at 3 h and 1 h.
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case_images: F2
case_images: Delayed-enhancement magnetic resonance imaging revealed the left ventricle with diffuse granular enhancement, mainly under the endocardium (Figures 2A,B). The result showed a significantly higher cardiac uptake than bone (SQA grade 3), indicating the possibility of transthyretin amyloid deposition (Figure 2C-E).