What Does a Pacemaker Do?

But what exactly is a pacemaker and how does it work its magic? In this brief article brought to you by the licensed primary care doctors at Southern Maryland Medical Group, we dive into the world of biomedical engineering to understand this life-changing invention.

What is a pacemaker?

A pacemaker is a small electronic device implanted under the skin near the collarbone to help regulate the heart’s rhythm. The pacemaker’s primary function is to monitor the heart’s natural rhythm. If it detects that the heart is beating too slowly or irregularly, it sends a gentle electrical signal to get things back on track.

It consists of three key components:

• Electrodes: These sense your natural heartbeat.
• The Pulse Generator: This houses the battery and electronic circuits that send electrical impulses to the heart.
• Wires: Thin wires connect the pulse generator to specific parts of the heart to deliver impulses when the device detects irregularity.

How does the pacemaker work?

The heart has its own natural electrical system, which controls how it beats. When this system malfunctions, it can cause the heart to beat too slowly, too quickly, or irregularly.

For slow heartbeats, the pacemaker sends pulses to speed up the heart rate. For irregular rhythms, it stabilizes the heartbeat to ensure consistency.

Who needs a pacemaker?

Pacemakers aren’t for everyone, but they can be a lifesaver for those with specific heart conditions. A licensed physician must diagnose you to determine whether you need a pacemaker, but here are some common reasons why someone might need one:

• Arrhythmias: Irregular heart rhythms can cause fatigue, dizziness, or fainting.
• Heart Block: This occurs when the electrical signals in the heart are delayed or blocked.
• Congenital Heart Defects: Some people are born with heart rhythm issues.
• Heart Failure: In some cases, pacemakers work alongside other treatments to improve the heart’s pumping efficiency.

What’s life like with a pacemaker?

Getting a pacemaker might sound daunting, but it’s a straightforward and life-enhancing procedure for most people.

Pacemaker implantation is a minor surgery performed under local anesthesia. Most people go home the same day or after an overnight stay. Recovery typically takes a few weeks; during this time, you’ll need to avoid heavy lifting and strenuous activity.

At first, you might feel a little conscious of the device under your skin, but most people get used to it quickly. Modern pacemakers are small and discreet with minimal impact on your daily life.

There are some considerations to keep in mind, however:

• While you can enjoy most of your usual activities after recovery, your doctor might recommend avoiding certain high-contact sports to protect the device.
• Devices like MRI machines or large magnets can interfere with a pacemaker’s function. Inform medical professionals and avoid standing too close to strong electromagnetic fields.
• Pacemakers are incredibly reliable, but they do require periodic monitoring to ensure they’re functioning properly.

Consult with a licensed physician

If you suspect you or someone you know might benefit from a pacemaker, then talk to a licensed primary care physician in District Heights to express your concerns. It’s a small step with a big payoff of a healthier heart and a more confident life.

Residents in the area are welcome to call or message Southern Maryland Medical Group to get in touch with a member of our team and schedule a convenient appointment today.