Heart Pacemaker: Purpose, Procedure, and Risks

 WHAT IS A PACEMAKER?

What is Pace Maker

It is a medical device that uses electrical impulses delivered by electrodes to contract the heart muscles and regulate the beating of the heart. The primary purpose of a Pacemaker is! o, maintain an adequate heart rate, either because the heart's natural Pacemaker is not lost enough, or there is a problem with the heart's electrical conduction system.

WHO NEEDS A PACEMAKER?

A Pacemaker is generally implanted into patients who have had repeated loss of consciousness or are at risk of it.

HOW DOES IT WORK?

  • A Pacemaker consists of a battery, a computerized generator. and wires with sensors at their tips. (The sensors are called eIec: trades.) The battery powers the generator and a thin metal box surrounds both. The wires connect the generator to the heart.
  • The device helps monitor and control your heartbeat. The electrodes detect your heart's electrical activity and send data through the wires to tie the computer to the generator
  • If your heart rhythm is abnormal, the tie computer will direct the generator to send an electrical impulse to your heart.
  • Newer pacemakers can monitor your breathing and other factors too. They also can adjust your heart rate according to changes in your activity.
A pacemaker’s computer also records your heart's electrical activity and heart rhythm. Your doctor will use these recordings to adjust your Pacemaker so it works better for you.

Your doctor can program the Pacemaker’s computer with an external device. He or she doesn't have to use needles or have direct contact with the pacemaker Pacemakers have one to three wires that are placed in different chambers of the heart. The wires in a simple-chamber Pacemaker usually carry pulses to lie right ventricle (the lower right chamber of your heart). The wires in a dual-chamber Pacemaker carry pulses to the right atrium (tie upper right chamber of your heart) and the right ventricle.

The wires help coordinate the timing of these two chambers’ contractions. The wires in o Di-ventricular Pacemaker carry pulses to an atrium and both ventricles. They help coordinate electrical signaling between the two ventricles. This type of Pocemoker is called a Cardiac Resynchronisation Therapy [CRT) device. It is given to patients with Symptoms OF Heart Failure

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WHERE IS THE PACEMAKER IMPLANTED?

It can be implanted using either the Endocardial or the Epicardial approach.

  • The Endocardial (Transvenous) Approach is the most common method. A local anesthetic is given to numb the area under the shoulder bone. An incision, about an inch. is made in the chest where the leads and Pacemaker are inserted. The lead(s) is inserted through the incision and info a vein, then guided to the heart with the aid of the Fluoroscopy (X-Ray machine, The leod fip attaches to the heart muscle. while the other end of the leod (allocated to the pulse generator is placed in a pocket created under the skin in the upper chest

It is inserted under the shoulder bone.

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implanted a pacemaker

Dr. Aparna Jaswal:- implanted a pacemaker in a 102-Year-Old Patient...

Additional Director Cardiologist and Electrophysiologist at the Escorts Heart Institute and Research Centre in New Delhi. Joined as Senior Resident in Cardiology.

Actively involved in teaching DNB and PGDCC candidates, and residents at the Escorts Heart Institute and Research Centre

22 years at Fortis Escort Heart Institute

HOW IS IT IMPLANTED?

Best Cardiologist in Delhi

A Pacemaker is typically inserted into the patient through a simple surgery using either local anesthetic or occasionally a general anesthetic. The patient may be given o drug for relaxation before the surgery as well. An antibiotic is typically administered to prevent

infection. In most cases, the Pacemaker is inserted Detow left shoulder area where the incision is made below the collar bone creating a small pocket where the pacemaker is actually housed in the patient s body. The lead or leads (the number of leads varies depending on the type of Pacemakerj are ted into the heart through a large vein using a Fluoroscope monitor. The actual surgery may take about 30 to 90 minutes.

HOW OFTEN DOES A PACEMAKER NEED TO BE CHECKED?

  • Ensure you take a course of antibiotics for 1 week. 
  • Try to lift your arm (of the side of the Packemoker implant) until your shoulder after 24-48 hours. remember to lift your arm {of the side of the Pacemaker implant) after 7-10 days above your shoulder so as to prevent a frozen shoulder.
  • Ensure you do not wet the area for 7 10 days  
  • Ensure to take on appointment for a repeat dressing every 48 hours after discharge from the hospital 
  • Sutures need to be removed alter 7- t 0 days
  • If you notice any undue pain. redness or swelling, contact your doctor immediately.
  • Since it is o battery operated device, you must go for a pacemaker check after 4 to ó months os advised by your doctor.
  • It is also possible to have your Pacemaker remotely interrogated by the implanting doctor. You may discuss the same with your doctor.
  • At ó 10 years, the pacemaker will need a change due to battery depletion.



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