EFO_0010820 (spontaneous coronary artery dissection) is the spontaneous occurrence of a dissection of the coronary artery. The clinical recognition of this phenomenon has increased as coronary angiography is becoming more commonly used in the treatment of acute coronary syndrome. The etiology of the condition has not been fully elucidated, but the mean age of presentation is 30-45 years, more than 70% are women, and 30% of cases occur in the peripartum period. Also known as: SCAD.