<unk> s (PJCs) are typically seen in patients with underlying heart failure, digoxin toxicity, or myocardial ischemia. They occur due to an ectopic pacemaker within the AV node or AV bundle.
Premature junctional contraction
Arrhythmias:
Premature junctional complex
Narrow-complex tachycardias
Premature atrial contraction
Wide-complex tachycardias
Premature ventricular contraction
AV blocks