Equivocal vs Positive Technetium-99m-Pyrophosphate Scintigraphy for Transthyretin Amyloid Cardiomyopathy: Comparing Outcomes, Demographics, and Imaging
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Background: Transthyretin cardiac amyloidosis (ATTR-CM) is an underdiagnosed infiltrative cardiomyopathy. Diagnosis is based on Technetium-99m-pyrophosphate-bone-scintigraphy scans (Tc-99m-PYP) with grades 2 to 3 classified as po... ...
