Apolipoprotein A-IV Cardiac Amyloidosis Presenting as Massive Ventricular Wall Thickening Mimicking Hypertrophic Cardiomyopathy
Background Apolipoprotein A-IV amyloidosis (AApoAIV) is a rare systemic amyloidosis that can involve the heart and mimic hypertrophic cardiomyopathy. Case Summary A 64-year-old woman with presumed hypertrophic cardiomyopathy presented with dyspnea. Imaging showed severe left ventricular wall thickening, outflow tract o...