A cardiac pacing device, or pacemaker, is a small medical device implanted in the chest to regulate irregular heartbeats. When the heart’s natural electrical system fails to maintain a steady rhythm, a pacemaker sends electrical signals to prompt the heart to beat at a normal rate. This device helps prevent complications from slow or irregular heart rhythms, improving quality of life for those with certain cardiac conditions; here is more information about cardiac pacing devices and what they can do for people with heart conditions:
Understanding Pacemakers
A pacemaker monitors your heart’s electrical activity and delivers the needed electrical impulses. The device contains a pulse generator, and it has one or more wires, or leads, that connect to the heart. When your heart rate drops below a programmed threshold, the cardiac pacing device sends an electrical signal through the leads to stimulate a heartbeat.
Modern pacemakers can adjust to your activity level. If you’re exercising or experiencing stress, the device’s threshold for your heart rate can be increased accordingly. During rest or sleep, it allows your heart rate to slow naturally, and it maintains a safe minimum threshold.
Getting a Pacemaker
Before pacemaker implantation, your doctor may conduct several tests to confirm the need for the device. These tests may include the following:
- Electrocardiogram, or ECG, to record the heart rhythm
- Holter monitoring to track heart activity
- Echocardiogram to assess heart structure and function
- Stress tests to evaluate heart performance during physical activity
The implantation procedure typically takes about one to five hours, depending on the type of device, and it is performed under local anesthesia with sedation. Your surgeon makes a small incision near your collarbone. Then, they insert the leads through a vein into your heart and position the pulse generator under the skin. Most patients go home the next day and return to normal activities within a few weeks.
Recognizing the Signs
Several symptoms suggest you might benefit from a pacemaker. Frequent fainting spells or dizziness can indicate that your brain isn’t receiving adequate blood flow due to a slow heart rate. Unexplained fatigue, particularly during physical activity, may signal that your heart isn’t pumping efficiently.
Because a slow or irregular heartbeat reduces oxygen delivery throughout your body, you might experience shortness of breath even during light activities. Some people notice a fluttering sensation in their chest or become more aware of their heartbeat. If you experience these symptoms, consult your doctor for evaluation.
Living With a Pacemaker
After receiving a cardiac pacing device, most people resume their regular routines with minimal restrictions. You’ll need to avoid contact sports that could damage the device, but walking, swimming, and most other exercises are safe. Your doctor will schedule regular checkups to monitor the pacemaker’s function and adjust settings if necessary.
While modern pacemakers are well-shielded, they should have a six-inch distance from strong magnetic fields. Cell phones are safe to use but should be kept at least six inches from your pacemaker. Airport security systems won’t damage your device, though you should inform security personnel about your pacemaker before screening.
The battery in your cardiac pacing device lasts 10 to 15 years, depending on usage. When the battery runs low, your doctor will schedule a procedure to replace the pulse generator while keeping the existing leads in place. This replacement procedure is typically simpler and shorter than the initial implantation.
Learn More About Pacemakers
A pacemaker can improve your quality of life if you have certain heart rhythm disorders. The device works continuously to maintain a steady heartbeat, allowing you to engage in daily activities with less fatigue. Ddjusting to life with a pacemaker requires some awareness of your surroundings and regular medical follow-up, but most recipients find these accommodations minor compared to the benefits. If you want to learn more about pacemakers, consult a cardiovascular specialist near you.
