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Primary cardiac amyloidosis.

R Jeyamalar1, R Pathmanathan, S F Yap

  • 1Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur.

Annals of the Academy of Medicine, Singapore
|November 1, 1991
PubMed
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Cardiac amyloidosis, a rare infiltrative heart disease, often presents as heart failure. Early suspicion based on ECG and echocardiogram findings is crucial for diagnosis, though biopsy remains definitive.

Area of Science:

  • Cardiology
  • Infiltrative Diseases

Background:

  • Cardiac amyloidosis is an underdiagnosed cause of heart failure.
  • It can mimic various other cardiac conditions, complicating diagnosis.

Observation:

  • Suspect cardiac amyloidosis in heart failure patients with low voltage ECG and increased myocardial mass/echogenicity on echocardiogram.
  • Mimics include restrictive/hypertrophic cardiomyopathy, constrictive pericarditis, coronary artery disease, and valvular heart disease.

Findings:

  • Definitive diagnosis requires endomyocardial biopsy or biopsy of an involved organ in systemic amyloidosis.
  • The condition is associated with a poor prognosis.

Implications:

  • Highlights the importance of recognizing subtle diagnostic clues for cardiac amyloidosis.

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  • Emphasizes the need for definitive diagnostic methods like biopsy.
  • Underscores the limited treatment options and poor outcomes, driving research for novel therapies.