Background: A 71-year-old woman with a history of hypertension, dyslipidemia, diabetes, ischemic heart disease and permanent atrial fibrillation (since 2013) was admitted for post-infectious gonarthritis. A recent evaluation had suggested a hypertrophic phenotype, raising suspicion of infiltrative cardiomyopathy. Case Presentation: During hospitalization, a cardiological consultation was requested. The echocardiogram…