Acetylcholine (ACh) rechallenge may be a novel method to improve detection of coexisting coronary spasm endotypes, and at the same time, assess the treatment response to nitrate-based therapies, a new ...

During pulsed field ablation (PFA) for atrial fibrillation (Afib or AF), the additional creation of mitral isthmus ablation lines often led to vasospasm of the neighboring left circumflex artery, ...

The presence of epicardial coronary spasm and increased microvascular resistance in patients with angina but without obstructive coronary artery disease is associated with an increased risk of major ...