Medical Procedures and EMI Precautions for Cardiac Implantable Electronic Devices - Manual for Health Care Professionals - Caution

Oct 22, 2026

Guidance for physicians and health care professionals treating patients with implanted Medtronic cardiac implantable electronic devices (CIED). Provides warnings, precautions, and clinician recommendations for medical therapies and diagnostic procedures that may cause serious injury, interfere with device function, or permanently damage the system. Includes EMI precautions for patients in daily living, plus procedure-specific risk controls for common interventions such as ablation and diagnostic radiology.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages12

Reading Time30 min

AccessFree to download

Medical procedures and EMI precautions

Introduction

Warnings, precautions, and guidance for clinicians performing medical procedures on cardiac device patients

Electromagnetic interference (EMI) precautions for patients in daily living

Medical Procedures and EMI Precautions for Cardiac Implantable Electronic Devices Manual for Health Care Professionals Caution: Federal law (USA) restricts this device to sale by or on the order of a physician. The following list includes trademarks or registered trademarks of Medtronic in the United States and possibly in other countries. All other trademarks are the property of their respective owners. Medtronic 1 Medical procedures and EMI precautions 1.1 Introduction This manual is intended for physicians and other health care professionals who treat patients who have implanted Medtronic Cardiac Implantable Electronic Devices (CIED) 1. To view this manual online or to download it, refer to the Medtronic Manual [Library at www.medtronic.com/manuals](Library at www.medtronic.com/manuals). Section 1.2 of this document is useful to health care professionals who perform medical procedures on patients with Medtronic implanted cardiac device systems and who consult with the patients’ cardiologists. This section provides warnings, precautions, and guidance related to medical therapies and diagnostic procedures that may cause serious injury to a patient, interfere with a Medtronic implanted cardiac device system, or permanently damage the system. Some common medical procedures that pose no risk are also listed. Section 1.3 provides precautions and other information related to electromagnetic interference (EMI) that is helpful to patients in their daily living. Health care professionals can review the information with their patients and use it asa reference for post-implant consultations. For additional guidance on medical procedures or potential EMI scenarios you are concerned about that are not addressed in this manual, customers can contact the following resources: ● Customers in the United States can contact Medtronic Technical Services at +1 800 723 4636 for ICDs, or +1 800 505 4636 for pacemakers. You may also submit questions to [tshelp@Medtronic.com](tshelp@Medtronic.com) or your Medtronic representative. ● Customers outside of the United States can contact a Medtronic representative. 1.2 Warnings, precautions, and guidance for clinicians performing medical procedureson cardiac device patients Ablation (RF ablation or microwave ablation)– Ablation is a surgical technique in which radio frequency (RF) or microwave energy is used to destroy cells by creating heat. Ablation used in cardiac device patients may result in, but is not limited to, induced ventricular tachyarrhythmias, oversensing, unintended tissue damage, device damage, or device malfunction. Pulse-modulated ablation systems may pose higher risk for induced ventricular tachyarrhythmias. Medtronic cardiac devices are designed to withstand exposure to ablation energy. To mitigate risks, observe the following precautions: ● Ensure that temporary pacing and defibrillation equipment is available. ● Avoid direct contact between the ablation catheter and the implanted system. ● Position the return electrode patch so that the electrical current pathway does not pass through or near the device and lead systems. ● Always monitor the patient during ablation with at least two separate methods, such as arterial pressure display, ECG, manual monitoring of the patient’s rhythm (taking pulse) or monitor by some other means such as ear or finger pulse oximetry, or Doppler pulse detection. To avoid or mitigate the effects of oversensing, consider the following precautions: ● Suspend tachyarrhythmia detection by using a magnet or a programmer. If a programmer is usedandablation causes a device reset, the cardiac device resumes detection. After the ablation procedure, remove the magnet or restore device parameters. ● If appropriate for the patient, program the device to an asynchronous pacing mode (for example, DOO) . After the ablation procedure, restore device parameters. 1 Implantable Cardioverter Defibrillator (ICD); Cardiac Resynchroniz

FAQs

Who is this manual intended for?

It is intended for physicians and other health care professionals who treat patients with implanted Medtronic Cardiac Implantable Electronic Devices (CIED).

What is the purpose of the warnings and precautions for clinicians?

They help prevent serious injury, avoid interference with the implanted device system, and prevent permanent damage, while also listing some common procedures that pose no risk.

How should clinicians mitigate oversensing risk during ablation or when devices may be exposed to EMI?

Suspend tachyarrhythmia detection using a magnet or programmer, consider asynchronous pacing when appropriate, monitor the patient with at least two methods, and restore device parameters or remove the magnet after the procedure.

Oct 22, 2026

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