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Basic Information Relating To Pacemaker Placement

By Laura Fox


The normal heart generates its own rhythm through specialized tissues found at the sinoatrial (SA) node. Electrical impulses from this region are transmitted to the rest of the heart resulting in contraction and relaxation and hence the filling and emptying of this organ with blood. In some cases, the heart is unable to undergo this cycle effectively creating the need for an artificial device or pacemaker.

The main role of pacing devices in Princeton, NJ is to restore normal rate and rhythm. A number of other benefits can be realized in some patients. Fainting episodes (also known as syncope) are often the result of heart disease. Abnormal heart rate and rhythm may interfere with blood supply to the brain. Normalizing the rate usually helps solve the problem. Other conditions that may be managed using the approach include hypertrophic cardiomyopathy and congestive heart failure.

The decision to have the device placed is usually made by a cardiologist. This is done after they evaluate the patient by taking a clinical history, conducting a physical examination and requesting for a number of investigations such as the electrocardiogram and the echocardiogram. Once the criteria has been met and one has been considered a suitable candidate the procedure is scheduled. Drugs likely to cause bleeding are to be avoided for a couple of days.

The process through which the pacer is inserted is fairly straightforward. Local or general anesthesia are used to minimize the pain. Once the area of interest has been numbed, a small cut is made on an area near the shoulder. The leads are then maneuvered to the heart through the guidance of an instrument known as a fluoroscope. This operation takes an average of 30 to 90 minutes. Antibiotics are usually administered to prevent infections.

Although the operation is considered a day case in most centers, you may have to be admitted overnight. This provides an opportunity for the heart rate and rhythm to be monitored. The frequency may have to be adjusted if the rate is either too high or too low. There are a number of complications that may ensue after the operation. They include bleeding, abnormal heart rhythms, infections and more rarely, puncture of the lung or the heart.

Patients should have regular medical checkups. This are meant to help determine if the device is in proper working condition. The first full checkup should be done six weeks after the surgery. Unless complications have been encountered, subsequent checkups are then done after every six months. During the evaluation, a number of parameters have to be assessed. They include the threshold, the lead integrity and pacer sensing ability.

It is not an absolute necessity for one to change their lifestyle after surgery. However, one should take precautions to avoid damaging the device. For example, strong magnetic fields such as those in MRI machines should be avoided. There is also a need to minimize participation in contact sports that may damage the pacer. When undergoing invasive medical procedures, antibiotics should be administered as prophylaxis against infections.

A patient who has been fitted with a pacer device should carry with them an identification card. On the card, is important information relating to their condition such as their diagnosis, the etiology, and an electrocardiogram tracing. Other information that may be included includes the doctor who did the placement, the date of manufacture of the pacer, the model and the types of leads used. The card makes it possible for other hospitals to manage the patient easily.




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