“…2 In this issue of the Canadian Journal of Cardiology, Leis and colleagues describe an uncommon but important presentation to the cardiac catheterization laboratory. 3 In this case, the patient was taken to the catheterization lab for suspected acute coronary syndrome. Cardiac arrest ensued, and echocardiography showed severe right ventricular failure, prompting suspicion of acute PE and administration of tissue plasminogen activator (tPA).…”