TRANSTHYRETIN CARDIAC AMYLOIDOSIS REVEALED BY MULTIMODALITY IMAGING IN AN ELDERLY PATIENT WITH HFpEF
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Amyloid cardiomyopathy is an infiltrative disease caused by extracellular deposition of amyloid fibrils within the myocardium, most commonly from immunoglobulin light-chain (AL) or transthyretin (ATTR) sources, leading to progressive heart failure, arrhythmias, and conduction disturbances. We present the case of an 80-year-old man with heart failure with preserved ejection fraction (HFpEF) and comorbidities who was admitted for acute onset dyspnea accompanied by profound hypotension at home. Together with a non-clonal free light-chain profile, these findings supported a diagnosis of transthyretin (ATTR) cardiac amyloidosis. This case highlights the value of integrating electrocardiogram, echocardiography, cardiac magnetic resonance, and bone-avid tracer scintigraphy to establish the diagnosis of ATTR cardiomyopathy and guide management in settings where disease-modifying therapy remains limited.Keywords: supraclavicular brachial plexus nerve block, adductor canal block, popliteal sciatic block, heart failure, limb amputation.
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Tài liệu tham khảo
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