Coexistence of Light Chain and Transthyretin Cardiac Amyloidosis.

Although most patients with cardiac amyloidosis are diagnosed with either light chain (AL) or transthyretin (ATTR) disease, coexisting amyloid subtypes can occur. We present three cases of coexisting AL and ATTR cardiac amyloidosis and demonstrate the importance of clinical history and endomyocardial biopsy in diagnosis of this rare entity.

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© 2024 The Authors.

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The authors have reported that they have no relationships relevant to the contents of this paper to disclose.