1-3hrs onset from last use
If >3 hrs = lower risk of AMI
Most with characteristic<unk> 
Dyspnea, diaploresis, and nausea
Most have normal vitals
ECG
If >3 hrs = lower risk of AMI
Dyspnea, diaploresis, and nausea
Cocaine-associated chest pain
Acute coronary syndromes 
Unstable angina
STEMI
Stable angina
Non-STEMI
Takotsubo cardiomyopathy
Vincent's angina