A 76-year-old woman presents with a persistently rapid heart rate that she attributes to her pacemaker. What does the ECG ...

Because the normal ventricular conduction system (His-Purkinje) is used, the QRS complex is frequently narrow. A junctional rhythm is normally ... can be seen at all. A pacemaker may be needed ...

The European Society of Cardiology (ESC) has released a groundbreaking consensus statement on conduction system pacing (CSP), marking a significant milestone in the evolution of pacing therapy.

Atrial tachycardia and other ectopic atrial rhythms ... on ambulatory ECG monitoring in the elderly and is frequently asymptomatic. Symptoms of atrial tachycardia depend on the ventricular rate ...

Panel A: activation during a paced beat entraining the reentrant rhythm, as seen in ... of concealed entrainment during ventricular tachycardia. This 12-lead ECG shows the last four beats of ...

Bigeminy is an irregular heart rhythm where every normal beat is followed by an abnormal one, often due to premature ...