
Impact of Nitroglycerin Administration on Acetylcholine Provocation Testing in Angina...
Introduction
Nearly half of all patients undergoing coronary angiography for stable angina are found to have nonobstructive coronary arteries. Invasive coronary function testing (CFT), using acetylcholine (ACh) to diagnose coronary artery spasm (CAS) and a pressure-temperature sensing guide wire to evaluate for coronary microvascular dysfunction (CMD), is considered the gold standard for evaluating patients with angina with […]











