McGill Case 160

This case report is kindly provided by Michael Rosengarten from McGill and is part of the McGill Cases. These cases come from the McGill EKG World Encyclopedia. Previous Case: McGill Case 159 | Next Case: McGill Case 161

This is a PA chest x-ray of a patient with a pacing system dysfunction.

This is a magnified view of the pacemaker.

This is a further close-up of the pacemaker wires in the area of the junction of the clavicle and first rib.

The pacing threshold in a bipolar mode with the patient lying down. The resistance was 2,800 ohms.

The pacing threshold in a bipolar mode with the patient sitting. The lead resistance was 1,140 ohms.

The pacing threshold in a unipolar mode.