Sublingual nitroglycerin
Counsel on smoking cessation
For chronic management
Diltiazem 240-360mg/day
Isosorbide mononitrate considered 2nd line due to adverse effect profile
Avoid nonselective β-blockers as they may exacerbate<unk>  
ASA used with caution and at low dose in patients without history of CAD 
Diltiazem 240-360mg/day
Isosorbide mononitrate considered 2nd line due to adverse effect profile
Coronary artery vasospasm
Acute coronary syndromes 
Anomalous coronary arteries
STEMI
Cocaine-associated chest pain
Non-STEMI
Digoxin toxicity
Unstable angina