Tags Archives: pacemaker

5 years ago Medical

Pacemaker Implants

What is Pace Maker ?

You might have definitely heard about a pacemaker but you wouldn’t be sure about what it exactly does and how. So let’s begin by highlighting that necessary introduction.

How does a pacemaker really work?

A pacemaker is a little gadget about the span of a matchbox that measures 20-50g. It comprises of a heartbeat generator – which has a battery and a small circuit – and at least one of those wires known as pacing leads, which connect to your heart.

The electrical impulses are discharged by a pulse generator through the wires to your heart. The rate at which the electrical impulses are conveyed is known as the pacing rate.

All advanced pacemakers chip away at demand. This implies they can be customized to alter the discharge rate in light of your body’s requirements.

In the event that the pacemaker detects that your heart has overlooked a beat or is thumping at a very slow pace, it sends some steady signals. If it detects that your heart is pulsating typically normal on its own, it doesn’t convey any signals.

Most pacemakers have an exceptional sensor that perceives the movement of your body or your breathing rate. This permits them to accelerate the discharge rate when you’re dynamic. Specialists depict this as rate responsive.

Why do you really require a pacemaker?

The heart is basically a pump and the muscles it comprises of , are controlled by electrical signals.

These signals can get to be distinctly upset for a few reasons, which can prompt various conceivably risky heart conditions, for example,

a strangely slow heartbeat (bradycardia) or an unusually quick heartbeat (tachycardia)

heart block – where your heart thumps sporadically in light of the fact that the electrical signals that control your pulse aren’t transmitted appropriately

cardiovascular arrest – when an issue with the heart’s electrical signals cause the heart to stop thumping through and through

How is a pacemaker fitted?

Having a pacemaker embedded is a moderately clear process. A local anaesthetic is usually used, which means you’ll be awake throughout the technique.

The generator is normally set under the skin close to the collarbone on the left half of the chest. The generator is connected to a wire that’s guided through a vein to the heart.

The process ordinarily takes around 60 minutes, and a great many people are alright to leave doctor’s facility the day after surgery.

After pacemaker surgery

You ought to have the capacity to come back to ordinary physical exercises not long after surgery. You ought to have the capacity to do most exercises and games.

You’ll feel the pacemaker quite strangely, in the initial days, however you’ll soon get accustomed to it. It might appear somewhat substantial or heavy in the first place, and may feel awkward when you lie in specific positions.

You’ll have to go for consistent checkups to ensure your pacemaker is working legitimately. Most pacemakers store data about your characteristic heart rhythms.

On the subsequent appointments, your specialist can recover this data and utilize it to check how well your heart and the pacemaker are functioning.

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Heart Attack Vs Heart Failure

Even most of the medically acquainted people today often get confused between heart attack and heart failure, what to talk of the less literate ones ! To understand this difference, one has to first get to know about the mechanism of functioning of heart.

The Function of the Heart

The main function of the heart is to ensure blood supply to different organs. This is done by regular beating of the heart. This beating is ensured by an electrical impulse produced by the heart muscle on its own. As every other organ, heart muscle too, requires regular blood supply to meet its daily expenses. The particular artery which supplies the blood to the heart muscles is known as the coronary artery.

What is Heart Attack?

Causes of heart attack -Artery_NormalvPartially-BlockedVessel

Now, there are several factors like excessive intake of fat, smoking, lack of exercise etc. which may cause blockage in the coronary artery. The result will be lesser blood supply to the heart muscles eventually causing the deadening of heart muscle which is technically known as myocardial infarction, or in more common terms, heart attack. The severity of the heart attack will depend upon the extent of the blockage. This blockage is checked by a diagnostic process called coronary angiography. If found, the cardiac surgeon tries to clear the process through another intervention called angioplasty. If there is a chance of relapse of the blockage, or constriction of the artery, an implant known as stent is placed inside. However, if the cardiologist finds it difficult to clear the blockage, that portion of blocked artery is bypassed and blood supply is restored from some other part. This is known as the bypass surgery.

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What is Heart Failure ?

Heart failure or cardiac arrest is an electrical failure of the heart muscle. As discussed earlier, for proper and regular beating of the heart, electrical impulses are generated in the heart muscle. Due to several reasons like ageing, or blockage of impulse routes in heart, it may go slow, irregular or stop at all. Such event may cause irregularity in the rhythm of the heart. A faster hear rate called tachycardia, while the slower heart rate is called bradycardia. There is another case where the heart beat goes irregular, the case known as arrhythmia.  A special case where the heart goes slower sometimes and faster at some other occasions, is known as the sick sinus syndrome. In case of complete failure of this electrical impulse, the heart stops immediately, the condition known as the cardiac arrest or heart failure. Any such electrical irregularity could be easily detected by a simple ECG.

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life support after heart attack

Artificial Pacemakers

To regulate this electrical activity, an artificial device called pacemaker is implanted. This is an instrument which acts as a silent spectator till the heart is functioning on its own. As soon as the impulse rate falls below 60 beats per minute, the device starts generating impulse so as to maintain the beating in the desired rhythm. Artificial pacemakers are single chambered and dual chambered, The latter one ensures the better coordinated heart rhythm as it supplies the impulse to both, atrium and ventricles of the heart via separate electrodes.

Be informed and take the right decision !!

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