McGill Case 160

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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.


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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.