After a pacemaker implant, you’ll face a set of temporary restrictions during recovery and a smaller number of permanent precautions for the life of the device. Most limitations are heaviest in the first six weeks, and the majority of everyday activities, including exercise, travel, and using electronics, are fine once you know the basics.
The First Six Weeks: Arm and Lifting Limits
The most important early restriction involves the arm on the side where your pacemaker was placed. For the first six weeks, do not lift anything heavier than 10 pounds with that arm. That’s roughly the weight of a gallon of milk. If you need to raise your arms above your shoulders, do it slowly and keep them up for no more than a few minutes. These rules exist because the pacemaker leads (thin wires connecting the device to your heart) need time to anchor securely into the heart tissue. Sudden or forceful arm movements can pull a lead out of position before it’s had time to scar into place.
During roughly the first week, most doctors also ask you to avoid driving and heavy lifting of any kind. After that initial week, driving is typically fine as long as you feel comfortable turning the steering wheel and checking your mirrors without pain.
Contact Sports and High-Impact Activities
Once you’re fully healed, most physical activity is encouraged. The permanent exception is contact sports and activities that risk a direct blow to the chest. Football, rugby, hockey, boxing, and martial arts can damage the pacemaker housing or fracture the leads running beneath your collarbone. This isn’t just a theoretical concern: a hard hit can crack a lead, which would stop the device from pacing your heart correctly.
Repetitive overhead arm motions on the side of the implant also carry a long-term risk. In some cases, especially for left-handed athletes, extreme and repeated shoulder movements can cause a lead to fracture where it passes between the collarbone and first rib. Sports like competitive swimming, volleyball, and tennis may need to be discussed with your cardiologist depending on which side the device sits on and how aggressively you play. Recreational versions of these sports are often fine.
Medical Procedures That Need Special Handling
Several common medical and dental procedures can interfere with a pacemaker’s electronics. The key ones to be aware of:
- MRI scans. Older pacemakers are not compatible with MRI machines at all. Newer “MRI-conditional” models can be scanned safely, but only under specific settings at the imaging center. You’ll need to confirm your device model with your cardiologist before scheduling any MRI. If your pacemaker isn’t MRI-compatible, you’ll need an alternative scan like a CT or ultrasound.
- TENS units used for pain relief send electrical pulses through the skin that can confuse pacemaker sensing.
- Radiation therapy for cancer treatment can damage the pacemaker’s internal circuitry if the beam passes near the device.
- Shock-wave lithotripsy, a common kidney stone treatment, uses pressure waves that may interfere with pacing.
- Surgical cautery tools used to seal blood vessels during operations generate electromagnetic fields close to the heart.
- Therapeutic heat treatments (diathermy) used in physical therapy can heat the leads and damage surrounding tissue.
None of these are necessarily off the table forever. In many cases, your care team can reprogram the pacemaker temporarily or adjust the procedure. The critical step is telling every doctor, dentist, surgeon, or technician that you have a pacemaker before any procedure begins. Carry your device ID card so they can look up your exact model.
Cell Phones and Everyday Electronics
Modern cell phones are generally safe to use with a pacemaker, but the FDA recommends two simple habits: hold the phone to the ear on the opposite side of your pacemaker, and don’t carry a turned-on phone in a breast pocket directly over the device. The concern is that a phone held against the pacemaker for extended periods could, in rare cases, cause temporary interference with sensing.
Most household electronics, including microwaves, computers, TVs, and standard kitchen appliances, pose no risk. Induction cooktops have been studied specifically and did not interfere with pacemakers in testing. Industrial arc welding equipment is a different story. Welding machines can generate strong enough electromagnetic fields to affect pacing, so if your job involves welding, you’ll need a detailed safety evaluation.
Airport Security and Travel
You can fly without any restrictions on the aircraft itself, but the security screening process requires a small adjustment. The TSA advises that you should not walk through a standard walk-through metal detector if you have a pacemaker. Instead, inform the officer that you have an internal medical device. The body imaging scanners (the ones where you stand with your arms up briefly) are safe for pacemakers and are the preferred screening method. If neither scanner option works for you, a pat-down is the alternative. Carry your pacemaker ID card to make the process smoother.
Warning Signs of a Problem
Knowing what to watch for is just as important as knowing what to avoid. If a lead shifts out of position, you may feel lightheaded or dizzy, or in more serious cases, you might faint. Some people notice an unusual hiccupping sensation or a twitching feeling in the chest, which can happen when a displaced lead stimulates the diaphragm or nearby nerves instead of the heart muscle. Chest discomfort near the device site that develops days or weeks after implantation, rather than the normal surgical soreness, is also worth reporting promptly. A return of the symptoms you had before the pacemaker, such as fatigue, shortness of breath, or near-fainting, often signals the device isn’t pacing effectively.