Generally benign condition that does not require management after ruling out MI, drug toxicity, electrolyte imbalance and other unusual causes
Symptomatic patients can be treated with atropine or isoproterenol to transiently improve conduction or with transcutaneous or transvenous pacing if there is associated hypotension
Second degree AV block type I
First degree AV block
Third degree AV block
Second degree AV block type I 
Second degree AV block type II
Wide-complex tachycardia
Narrow-complex tachycardia
AV dissociation without complete heart block