A 52-year-old man presented with episodic chest pain. Videos show results of coronary angiography performed before and after acetylcholine injection, which led to a diagnosis of coronary-artery vasospasm. http://nej.md/2tO84qO | The New England Journal of Medicine

Spontaneous Coronary Artery Dissection is a long term for something simply terrifying. A heart condition in otherwise healthy adults that affects mostly young women. We examine the causes, symptoms and one survivor's story of S.C.A.D. tonight @ 10pm. | KSDK News

A 58-year-old woman presented with intermittent, non-exertional chest pain. She had been admitted for similar symptoms 2 months earlier; a coronary angiogram had revealed normal anatomy. A transthoracic echocardiogram revealed a pericardial effusion. http://nej.md/20EmXXK | The New England Journal of Medicine

MINOCA (Myocardial Infarction with Non-Obstructive Coronary Arteries) is caused by diverse mechanisms, categorized under Type 1 and Type 2 MI. Type 1 MI (Plaque-related) · Plaque rupture or erosion with in-situ thrombosis, often without significant obstruction. Type 2 MI (Supply/Demand Mismatch) · Epicardial Coronary Vasospasm · Coronary Microvascular Dysfunction · Spontaneous Coronary Artery Dissection (SCAD) · Coronary Emboli (thrombotic, paradoxical, or other) · Hypercoagulable Disorders Esse