Patient

• 78-year-old man
• syncope and complete atrio-ventricular block
• Advisa DR MRI (Medtronic) dual-chamber pacemaker
• right atrial lead at the appendage, right ventricular lead at the apex

Two days after implantation, patient gets a pacemaker check-up and an ECG is made.

Electrogramme (EGM) as recorded simultaneously in the pacemaker: