Left ventricular lateral wall pseudoaneurysm presented with decompensated heart failure.

A 54-year-old woman was admitted to the emergency department with chest pain and orthopnoea for the last 1 month. She had hypertension and type 2 diabetes mellitus. ECG showed ST segment elevation and pathological Q waves in leads I and aVL suggesting previous lateral myocardial infarction (MI). Physical examination revealed blood pressure of 90/60 mm Hg; bibasilar rales and a (2/6)° late systolic murmur along the left sternal edge due to papillary muscle dysfunction was noted. Antianginal, antithrombotic and …