Identifying patients with chest pain that is of cardiac origin is crucial owing ... Levels recorded above this (Upper Reference Limit or URL) are considered to be abnormal. hs-cTn—High sensitive ...

Radiography and computed tomography (CT) of the chest reportedly showed no abnormalities. Coronary angiography showed severe stenosis of the right coronary artery, and a stent was placed.

Medically reviewed by Richard N. Fogoros, MD The apical pulse (or precordial impulse) originates from the bottom of the heart and is felt on the outer left chest wall just under the nipple. The apical ...