79-year-old women has severe aortic stenosis and 2-vessel coronary artery disease s/p coronary artery bypass graft who developed acute dyspnea. She was found to have chronic occlusion of her vein graft and acute thrombosis of her subclavian artery, causing diffuse cardiac ischemia and myonecrosis.
This is my first official contribution to Resus Review. I wanted to start with a follow up on my recent comment on cardiac troponin. Cardiac biomarkers, particularly troponin, have become an essential tool in the work up of patients with symptoms suggestive of ischemia in which an "AC