High voltage
PE
RBBB
Hypokalemia
CNS Injury
Persistent Juvenile T-wave pattern
Digitalis Effect
"Normal variant" STE with biphasic T-wave
Common in young, healthy, Black males
Patterns that are NOT found in<unk> s
High voltage complexes
Notching at J-point ("fishhook")
Concave upward ST segment followed by steep drop in T wave
Common in young, healthy, Black males
Patterns that are NOT found in<unk> s
High voltage complexes
Notching at J-point ("fishhook")
Concave upward ST segment followed by steep drop in T wave
High voltage complexes
Notching at J-point ("fishhook")
Concave upward ST segment followed by steep drop in T wave
Cardiac
ST-segment elevation myocardial infarction (STEMI)
Post-MI (ventricular aneurysm pattern)
Previous MI with recurrent ischemia in same area<unk> 
Coronary artery vasospasm (eg, Prinzmetal's angina)
Coronary artery dissection
Pericarditis
Myocarditis
Aortic dissection in to coronary
Left ventricular aneurysm
Left ventricular pseudoaneurysm
Early repolarization
Left bundle branch block
Left ventricular hypertrophy (LVH)
Myocardial tumor
Myocardial trauma
RV pacing (appears as Left bundle branch block)
Brugada syndrome
Takotsubo cardiomyopathy
AVR ST elevation
Other thoracic
Pneumomediastinum
Pneumothorax
Pulmonary embolism
Metabolic
Drugs of abuse (eg, cocaine, crack, meth)
Cocaine chest pain
Hyperkalemia (only leads V1 and V2)
Hypothermia ("Osborn J waves")
Medications
Tricyclic (TCA) toxicity
Digoxin
ST-segment elevation myocardial infarction (STEMI)
Post-MI (ventricular aneurysm pattern)
Previous MI with recurrent ischemia in same area<unk> 
Coronary artery vasospasm (eg, Prinzmetal's angina)
Coronary artery dissection
Pericarditis
Myocarditis
Aortic dissection in to coronary
Left ventricular aneurysm
Left ventricular pseudoaneurysm
Early repolarization
Left bundle branch block
Left ventricular hypertrophy (LVH)
Myocardial tumor
Myocardial trauma
RV pacing (appears as Left bundle branch block)
Brugada syndrome
Takotsubo cardiomyopathy
AVR ST elevation
Pneumomediastinum
Pneumothorax
Pulmonary embolism
Drugs of abuse (eg, cocaine, crack, meth)
Cocaine chest pain
Hyperkalemia (only leads V1 and V2)
Hypothermia ("Osborn J waves")
Cocaine chest pain
Tricyclic (TCA) toxicity
Digoxin
Wellens' syndrome
High voltage
Dressler's syndrome
PE
Twiddler's syndrome
RBBB
Ménière's disease
Hypokalemia