Differential includes ischemic events, electrolyte abnormalities, and medication overdoses in addition to rheumatologic conditions
Anterior MI
Rheumatic fever
Myocarditis
Lyme disease
Lenegre's disease
Lev's disease
SLE
Systemic sclerosis
Amyloidosis
Hemochromatosis
Sarcoidosis
Hyperkalemia
Toxicology
Beta<unk> er toxicity
Calcium channel<unk> er toxicity
Digoxin toxicity
Amiodarone
Beta<unk> er toxicity
Calcium channel<unk> er toxicity
Digoxin toxicity
Amiodarone
First<unk>  AV<unk> <unk> (Wenkebach)<unk> 
Third<unk>  AV<unk> 
AV dissociation without complete heart<unk>
Second degree AV block type II
Differential includes ischemic events, electrolyte abnormalities, and medication overdoses in addition to rheumatologic conditions[3][4]
Third degree AV block
Anterior MI
First degree AV block
Rheumatic fever
Wide-complex tachycardia
Myocarditis