The prognosis of patients with complete heart block is generally poor without therapy. Patients with 1st and 2nd-degree heart block are usually asymptomatic.
Third-degree atrioventricular block
Second-degree atrioventricular block
First-degree atrioventricular block
Ventricular escape beat
AV nodal reentrant tachycardia
Wandering atrial pacemaker
Re-entry ventricular arrhythmia
Left bundle branch block