The management of<unk><unk> <unk>  block depends on the severity of signs, symptoms, and the underlying cause. In symptomatic patients and with hemodynamic distress, pharmacological therapy should be initiated immediately to increase heart rate and cardiac output. Most of the patients who do not respond to pharmacologic therapy require a temporary pacemaker. After stabilizing the patients, assessment and treatment of potentially reversible  causes should be done. Some patients without reversible cause or unidentified etiology require a permanent pacemaker.
Third degree AV block medical therapy
Second degree AV block medical therapy
First degree AV block medical therapy
AVNRT medical therapy
Junctional bradycardia medical therapy
Ventricular tachycardia medical therapy
Ventricular fibrillation medical therapy
Pulseless ventricular tachycardia medical therapy