A rare case of systemic AL-amyloidosis under the mask of myocardial infarction in the absence of myocardial hypertrophy: case report

Systemic amyloidosis is a group of diseases associated with extracellular deposition fibrillar proteins, resulting in the loss normal organ structure and function. AL-amyloidosis occurs when amyloid deposited, consisting full-length lambda or kappa immunoglobulin light chains, fragments thereof. This article describes complexity timely diagnosis systemic predominant heart lesion absence myocardial hypertrophy on example an elderly patient whom leading manifestation disease was failure preserved left ventricular ejection fraction.