Evaluate for underlying pathology
ECG
Labs
CBC
Chemistry
Troponin
PT/PTT
CBC
Chemistry
Troponin
PT/PTT
ECG findings:
Fixed PR interval for conducted QRS complexes
Intermittent non-conducted P-waves
P waves march through (beware of p-waves consistently buried in T-waves)
Fixed PR interval for conducted QRS complexes
Intermittent non-conducted P-waves
P waves march through (beware of p-waves consistently buried in T-waves)
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