Coronary vasospasm is a form of vasospasm affecting the coronary circulation.
It can cause Prinzmetal's angina.
It can occur in multiple vessels.[1][2]
Atropine has been used to treat the condition.[3]
Myocarditis (Chagas disease)
Cardiomyopathy: Dilated (Alcoholic) · Hypertrophic · Restrictive (Loeffler endocarditis, Cardiac amyloidosis, Endocardial fibroelastosis)
Sinus bradycardia · Sick sinus syndrome