Pacemaker Safety During Biopsy Procedures

Precautions and Management

The European Society of Cardiology recommends that patients with permanent pacemakers can safely undergo biopsy procedures without contraindication, provided appropriate precautions are taken regarding electrocautery use 1
The American Heart Association suggests using bipolar electrocautery systems preferentially over unipolar systems to minimize risk, as they generate significantly less electromagnetic interference 1, 2, 3
The European Heart Rhythm Association advises applying electrocautery in short bursts only, keeping power output to the minimum required, to reduce the risk of electromagnetic interference 2, 3
The American College of Cardiology recommends positioning the electrocautery ground plate appropriately to complete the electrical circuit away from the pacemaker, and keeping the electrocautery device physically distant from the pacemaker generator 1
For pacemaker-dependent patients, the Heart Rhythm Society suggests reprogramming the device to asynchronous mode (VOO or DOO) before the procedure, or alternatively, placing a magnet over the pacemaker during electrocautery use to activate asynchronous pacing 1, 3
The European Society of Cardiology recommends ensuring continuous ECG and pulse monitoring throughout the procedure, as electrocautery can interfere with ECG interpretation 3

The American Heart Association advises interrogating the pacemaker after the procedure to ensure appropriate programming and verify sensing/pacing thresholds remain intact, particularly for pacemaker-dependent patients and when significant electrocautery was used 1, 3

The American Gastroenterological Association notes that for biopsy techniques that do not involve electrocautery, such as core needle biopsy, fine needle aspiration, or endoscopic biopsy without cautery, no special pacemaker precautions are required beyond standard procedural monitoring 7