Symptoms of Myocardial infarction or ischemia
Symptoms have often resolved at presentation
May have previous recent episodes of angina or anginal equivalents
Initial cardiac enzymes are frequently normal or slightly elevated
Cocaine use may cause pseudo-Wellens due to vasospasm without critical stenosis
Wellens' syndrome
High voltage
Dressler's syndrome
PE
Twiddler's syndrome
RBBB
Ménière's disease
Hypokalemia