Vascular damage and thrombosis from spasm.
D000818:Animals; D001158:Arteries / Q000473:pathology; D001488:Basilar Artery; D002415:Cats; D003251:Constriction, Pathologic; D003327:Coronary Disease / Q000209:etiology*; D003331:Coronary Vessels / Q000473:pathology; D004285:Dogs; D004727:Endothelium / Q000473:pathology; D013035:Spasm; D013927:Thrombosis / Q000209:etiology*; D014661:Vasoconstriction