
In light of this uncertainty, many manufacturers began to produce ‘safe’ microwave ovens with a digital readout to show exactly how much time had passed since the last time it was used.
Types of Electronic Evidence
As time went on and research continued, however, that fear was largely put to rest. Microwave ovens are not dangerous for most people with pacemakers.
Do Microwaves Still Affect Pacemakers? An excessively strong microwave signal may cause the pacemaker to malfunction by causing unwanted currents to flow in its wires and circuits.
Related Article: Why Do My Microwaves Keep Breaking?
Are microwaves safe for pacemakers?
Microwaves are a wonderful invention. We use them to make all kinds of food, from frozen dinners to popcorn. But microwaves emit radio waves in the same frequency as cardiac devices and these frequencies can interfere with the function of pacemakers.
The Food and Drug Administration (FDA) requires that microwaves have a protective lining to keep microwaves from entering the food we’re cooking, but this lining doesn’t extend outside the microwave and into the area around it.
So if you’re cooking in your kitchen or even near it, your pacemaker could still be exposed to those same radio waves.
It’s also important to be mindful of where you are using your microwave and when.
Microwave ovens emit radiation in short bursts, so they’re more likely to interfere with pacemaker function than an oven or stovetop because microwaves heat food quickly at a very high temperature, which gives off more electromagnetic radiation than other types of cooking methods do.
So yes, microwaves still affect pacemakers and there are measures you can take to reduce your risk of making an error and damaging your device.
However, it is not as big of a concern for people without heart devices unless they are close enough to feel the effects (e.g., cooking).
Is It Safe to Microwave Food Inside a Pacemaker?
Microwaves are electromagnetic waves – they have no mass and they travel at the speed of light. Therefore, they pass right through walls, floors, and even human bodies with little or no resistance.
The only concern is that microwaves might cause interference with a pacemaker. If they did, and the device stopped working, it would be life-threatening.
So, is it safe to microwave food inside a pacemaker? Short answer: yes. Longer answer: as long as you use common sense and don’t microwave anything for longer than is recommended, you’ll be just fine.
How Do Microwaves Affect Pacemakers?

Pacemakers are designed to be affected by magnets. Therefore, the magnetron inside a microwave – which produces the microwaves – could interfere with their operation.
This is the reason why pacemaker patients are advised to avoid microwaving food. But here’s the good news: the field strength produced by a typical microwave oven is much too weak to affect a pacemaker.
Furthermore, you should note that the magnetron in a microwave oven does not run continuously: it is turned on and off intermittently as the food inside is heated.
If you have a pacemaker, you should always follow your doctor’s advice. He or she will be able to tell you the safest way to use a microwave in your particular situation.
What to do if you have a Pacemaker and use Microwave Ovens
If you have a pacemaker and you use microwave ovens, there are a few extra precautions you should follow. First and foremost, always keep your microwave oven at least 6 inches away from your pacemaker.
Most microwaves have walls that are about 5 inches thick, but check yours to be sure. Additionally, you should always stand at least 2 feet away from the microwave while it is operating.
Stay clear of the door’s window too, as it can become very hot after a few minutes.
Finally, you should never put metal containers inside the microwave while it’s running as they might reflect the microwaves and increase the overall field strength inside the oven.
Can Microwave Ovens Cause Damage to Pacemakers?

Some people with pacemakers avoid microwaves entirely, but this is not necessary. If you have a pacemaker, you should always keep your distance from the microwave and follow your doctor’s guidelines for using it safely.
Microwaves are electromagnetic waves just like radio waves, but with a much shorter wavelength. So, as long as you’re not directly in the path of the microwave beam, you’re in no danger.
If you have a pacemaker and use a microwave oven, you’ll probably never notice any difference in its function. And you’ll definitely never experience any damage from microwave radiation.
Does microwaving food affect pacemakers too?
Microwaves emit radio waves in the same frequency as cardiac devices and these frequencies can interfere with the function of pacemakers, much in the same way that cellphones do.
So, does microwaving food affect pacemakers? Yes, but there are measures you can take to reduce your risk of making an error and damaging your device.
The best way to avoid damaging a pacemaker is to be mindful of where you are using your microwave and when. It seems like people tend to use microwaves more often when stressed, so it is important to determine whether you’re feeling anxious or not before using a microwave.
Microwaves emit radio waves in the same frequency as cardiac devices and these frequencies can interfere with the function of pacemakers, much in the same way that cellphones do.
If you’re afraid that microwaving anything will damage your device, don’t worry! There are many options available for those who want to reduce their risk of a microwave-related mishap.
One way is by purchasing a microwave-safe container for heating up food or drinks; this will eliminate any chance of exposing your device to harmful frequencies from a microwave.
Another option is buying specially designed bags for pacemakers; this sealed bag blocks electromagnetic fields while still allowing radio-frequency waves inside (only at a reduced level).
FAQS
How Do Microwaves Affect Pacemakers?
If microwaves do get inside a pacemaker, it is possible that they could ‘jam’ the device.
Is It Safe to Microwave Food Inside a Pacemaker?
The short answer is yes. While researchers don’t know for sure if microwaves can affect pacemakers, they do know that microwaves don’t ‘leak’ out of microwave ovens. That is, when you are cooking with a microwave oven, that device is completely enclosed.
Conclusion
If you have a pacemaker and you’re worried about the safety of microwave ovens, don’t be. As long as you keep your distance and follow your doctor’s guidelines, you’ll be fine.
Microwaves are not dangerous in any way. In fact, they are often used in the medical field to kill bacteria and sterilize equipment. Microwaves are a great tool with plenty of healthy, convenient, and delicious uses.
So don’t be afraid to use them. Just keep your distance from the oven and you’ll be fine.
There are a lot of misconceptions about microwaves and how they can affect the functioning of your pacemaker. A microwave is a type of radio wave, which are electromagnetic waves that are similar to light waves.
They have a wavelength that ranges from about one inch to five feet. Microwaves can’t harm you, but they do heat up food.
So what are microwaves? Microwaves are just another type of electromagnetic radiation in the same way that visible light is. They’re part of the electromagnetic spectrum, which means they can’t hurt you.
The most important thing to keep in mind when it comes to microwave safety is to keep your pacemaker at least six inches (15 centimeters) away from your microwave while it’s in use, and always stand at least three feet (one meter) away from the oven door when it’s open.
FAQs
Can you cook with a microwave if you have a pacemaker? ›
This myth was actually true… decades ago. Today, thanks to advances in technology, it's perfectly safe to be around microwaves if you have a heart device. So go ahead, pop that popcorn!
What are 4 things to be avoided if you have a pacemaker device? ›- Cell phones. ...
- Electronic cigarettes.
- Headphones. ...
- Household appliances, such as microwave ovens, major appliances, electric blankets, and heating pads are usually safe if they are working properly.
- Metal detectors, such as those used for airport security.
- Apple AirPods Pro wireless charging case.
- Microsoft Surface Pen.
- Apple Pencil 2nd Generation.
Avoid certain high-voltage or radar machines, such as radio or T.V. transmitters, arc welders, high-tension wires, radar installations, or smelting furnaces. Cell phones available in the U.S. (less than 3 watts) are generally safe to use.
Can I use a heating pad on my back if I have a pacemaker? ›Should I avoid certain electrical devices if I have a pacemaker? Electric blankets, heating pads, and microwave ovens can be used and will not interfere with the function of your pacemaker. A cellphone should be used on the side opposite of where the pacemaker was implanted.
Can WIFI affect pacemakers? ›A new study suggests this problem hasn't gone away. Magnetic wireless charging — a convenient feature of many smartphones and tech accessories — can interfere with pacemakers and defibrillators when people keep these devices too close to their chest, a new study has confirmed.
What can you no longer do with a pacemaker? ›You should avoid strenuous activities for around 4 to 6 weeks after having your pacemaker fitted. After this, you should be able to do most activities and sports. But if you play contact sports such as football or rugby, it's important to avoid collisions.
What are the 3 primary problems that can occur with a pacemaker? ›Problems with the pacemaker
A pacemaker can go wrong if: the lead gets pulled out of position. the battery of the pulse generator fails. the circuits that control the pacemaker are damaged after being exposed to strong magnetic fields.
...
Table 2.
. | AFIB |
---|---|
5 year . | 58.6% |
10 year . | 38.3% |
15 year . | 22.3% |
20 year survival . | 14.9% |
Do what you can. Aerobic activity increases your heart rate and breathing. Build up to doing at least 150 minutes/week of moderate-intensity activity (such as a brisk walk, light cycling or water exercise).
Will I have more energy after pacemaker? ›
Pacemakers can improve your quality of life
Other studies found that pacemaker recipients have reported significantly more energy and overall feel happier in their everyday activities.
If you have a pacemaker, it is generally recommended to use an upper arm blood pressure monitor instead of a wrist blood pressure monitor, as the cuff of the wrist monitor may interfere with the pacemaker's function.
Do smart phones affect pacemakers? ›Mobile phones could potentially interfere with an ICD or pacemaker, because they often contain magnets, as well as other elements that also produce electromagnetic fields. Electromagnetic fields may interfere with the ability of your ICD or pacemaker to detect the electrical activity of your heart.
Can I use an electric toothbrush if I have a pacemaker? ›Other appliances that contain a magnet include handheld hairdryers, older shavers with an electrical cord, large stereo speakers, electric toothbrushes and base chargers of ultrasonic toothbrushes. If you do use any of these, keep them 16cm (6in) away from your pacemaker.
Can Cell Phones Affect pacemakers? ›Precautions for Pacemaker Wearers
Based on current research, cell phones do not seem to pose a significant health problem for pacemaker wearers.
You should avoid swimming, using a hot tub, or any activity that would submerge the device or your incision underwater. The doctor may advise you to avoid lifting heavy items for about 6 weeks after the procedure. This includes items like grocery bags.
What foods to avoid with a pacemaker? ›These diet changes focus on limiting red meat, many dairy products, and unhealthy fats, while adding whole grains, fresh fruits, and vegetables.
Do pacemakers need to be deactivated at end of life? ›Typically, pacemakers do not need to be deactivated in end-of-life situations unless the patient or family requests it, which typically happens if they feel the device is prolonging the dying process. Primary care physicians can deactivate older pacemakers with a magnet.
Can you tell when a pacemaker kicks in? ›Will I feel the pacemaker working? Most people don't feel the electrical impulse, but you may feel the rate or rhythm of your heartbeat change. Often people get used to this and stop noticing.
Why do I always feel tired with a pacemaker? ›Pacemaker syndrome: some patients with VVI pacemakers, especially with sinoatrial (SA) rather than atrioventricular (AV) disease, will show retrograde ventriculoatrial (VA) conduction during ventricular pacing which can cause fatigue, dizziness and hypotension.
Why can't you raise your arm after pacemaker? ›
When you have a pacemaker fitted, it's important to be careful about moving your arms for the first six to eight weeks. Avoid heavy lifting, stretching and lifting your arms on the affected side above your head. This is because the leads need time to embed firmly in your heart.
How long can an 80 year old live with a pacemaker? ›The observed 5-year survival was 45% in our patients aged 85 years or more. It compares well with previous studies on patients ≥ 80 years that showed a survival in the range between 40% and 49%.
How often should a pacemaker be checked? ›A complete pacemaker check should be done six weeks after a pacemaker is implanted. A pacemaker should then be checked every three/six months to evaluate battery function. Regular follow-up is important after a pacemaker implant. Your doctor will tell you how often you will need to have it checked.
How old is the oldest person with a pacemaker? ›Marjorie Edwards, 99, is now recovering back at home after becoming the oldest person to have a pacemaker fitted by the local cardiac team – the first time she had been admitted to hospital in 70 years.
What is the best way to sleep with a pacemaker? ›You may sleep on the same side as your pacemaker. Loose fitting tops may feel better. Many people use a padded seat belt cover over the seat belt for comfort driving. You can buy these or make your own.
Can I mow the lawn with a pacemaker? ›Avoid activities that strain your chest or upper arm muscles. This includes pushing a lawn mower or vacuum, or mopping floors. It also includes swimming, or swinging a golf club or tennis racquet. Do not raise your arm (the one on the side of your body where the pacemaker is located) above your shoulder.
Can you get out of breath with a pacemaker? ›Signs and Causes of Pacemaker Malfunction
You can tell if your pacemaker is malfunctioning if you are starting to experience symptoms of arrhythmia. You might have chest pain, difficulty breathing, dizziness, or lightheadedness.
Blood pressure has a daily pattern. Usually, blood pressure starts to rise a few hours before a person wakes up. It continues to rise during the day, peaking in midday. Blood pressure typically drops in the late afternoon and evening.
What time of day should I check blood pressure? ›At the beginning, measure your blood pressure at least twice daily. Take it first in the morning before eating or taking any medications. Take it again in the evening. Each time you measure, take two or three readings to make sure your results are the same.
How do you check to see if a pacemaker is working? ›A pacemaker check is typically performed every six weeks after the device is implanted. The checkup will help your doctor determine if the pacemaker is working properly. A magnet will be placed over your pacemaker to change its rate of function. An external computer will analyze the rate of change.
Can you cook with a pacemaker? ›
Pacemakers are small electrical devices that regulate electrical activity in the heart. Anything that produces a strong electromagnetic field can interfere with a pacemaker. Induction hobs do generate electromagnetic fields, so keep a distance of at least 60cm (2ft) between the stovetop and your pacemaker.
Can I use a cell phone if I have a pacemaker? ›Hold the phone to the ear opposite the side of the body where the pacemaker is implanted to add some extra distance between the pacemaker and the phone. Avoid placing a turned-on phone next to the pacemaker implant. For example, don't carry the phone in a shirt or jacket pocket directly over the pacemaker.
What are the pacemaker restrictions to lifestyle? ›Don't: Engage in excessive physical activity, including movements like leaning on your arms or stretching your arms overhead or behind you. Don't: Rub your chest area around or near the incision. Don't: Lift heavy objects, which may even include a heavy purse or a dog or cat, especially on the side of the pacemaker.
Can a Cell Phone hurt a pacemaker? ›Precautions for Patients with Pacemakers and Other Implanted Medical Devices. The FDA recommends patients keep any consumer electronic devices that may create magnetic interference, including cell phones and smart watches, at least six inches away from implanted medical devices, in particular cardiac defibrillators.