LAUSR

S pontaneous coronary artery dissection (SCAD) is an important “zebra” in cardiovascular medicine; it is a relatively rare entity but an important cause of nonatherosclerotic coronary artery disease, particularly in women (1). In this issue of the Journal, Tweet et al. (2) present data from a virtual patient registry that characterized clinical and angiographic features, risk factors, and outcomes among 323 women with SCAD and compared 54 patients with pregnancy-associated SCAD with those who experienced SCAD unrelated to pregnancy (2).