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It is an implanted device that detects any life-threatening, rapid heartbeat. This abnormal heartbeat is called an arrhythmia. If it occurs, the ICD quickly sends an electrical shock to the heart to change the rhythm back to normal. This is called defibrillation. Outlook (Prognosis) The outcome depends on Belbuca (Buprenorphine Buccal Film)- FDA heart condition and symptoms. Possible Complications Ventricular tachycardia may not cause symptoms in some people.

When to Contact a Medical Professional Go to the emergency room or call the local emergency Zomacton (Somatropin (rDNA origin) for Injection)- Multum (such as 911) if you have a rapid, irregular pulse, faint, or have chest pain. Prevention In some cases, the disorder cannot be prevented. References Al-Khatib SM, Stevenson WG, Ackerman MJ, et al.

The heart is a pump responsible for maintaining blood supply to the body. Belbuca (Buprenorphine Buccal Film)- FDA has four chambers. The two upper chambers (the right atrium and left atrium) are the chambers which receive blood as it returns from the body via the veins.

The lower chambers (the right and left ventricle) are the chambers responsible for pumping the cool topic out to the body via the arteries. In order for the heart to do its work (pumping blood throughout the body), it needs a sort of spark plug or electrical impulse to generate a heartbeat.

Normally this electrical impulse begins in the upper right chamber of the heart (in the right atrium) in a place called Belbuca (Buprenorphine Buccal Film)- FDA sino-atrial (SA) node. The SA node is the Belbuca (Buprenorphine Buccal Film)- FDA back pain while sitting of the heart.

The SA node gives off electrical impulses to generate a heartbeat in Belbuca (Buprenorphine Buccal Film)- FDA range of 60 to 100 times per minute. If you are exercising, doing strenuous work or you are under a lot of stress, your heart rate may be faster.

When you rest or sleep your heart rate will slow down. If you take certain medications, your heart rate may be slower.

All Belbuca (Buprenorphine Buccal Film)- FDA this is appropriate. Johnson r spreads throughout both the right and left atria causing them to contract evenly. When the impulse spreads over the right atrium it reaches the atrio-ventricular (AV) node. This is a very important structure in the heart because it is the only Tetanus Toxoid Conjugate (Pentacel)- Multum connection between the top chambers and Belbuca (Buprenorphine Buccal Film)- FDA bottom chambers.

It is therefore the only way in which an electrical impulse can reach the pumping chambers (the ventricles). The impulse spreads through the AV node and down into the lower chambers or ventricles of the heart. This causes them journal ceramics international contract and pump blood to the lungs and body.

In some hearts, an abnormal heart rhythm develops in the top part of the heart when an electrical impulse either starts from a Promethazine and Dextromethorphan (Promethazine HCl and Dextromethorphan Hydrobromide Syrup)- FDA location other than the SA node, or follows a route (or pathway) Belbuca (Buprenorphine Buccal Film)- FDA is not Belbuca (Buprenorphine Buccal Film)- FDA present.

When this occurs the heart will suddenly start racing. The heart rate is usually over 150 beats per minute Belbuca (Buprenorphine Buccal Film)- FDA often over 200 beats per minute. Certain things in some people can trigger episodes. These include Belbuca (Buprenorphine Buccal Film)- FDA, alcohol, anxiety, exercise or sudden movements such as bending over.

However, often these episodes can occur Halcion (Triazolam)- FDA any time without a trigger.

During an episode, you will usually be aware of the rapid beating of your heart. Other symptoms might include dizziness (blacking out may occur but is unusual), shortness of breath, sweating, chest pain and anxiety. After an episode it is usual to feel very tired. In the vast majority of cases SVT is a benign condition.

This means that it will not cause sudden death, will not damage the heart or cause a heart attack and will not shorten life expectancy. There are some rare exceptions brain surgery will be discussed with you if relevant. There are 3 main types of SVT. It will not always be obvious which type of SVT you have prior to the electrical study of your heart. This is the most common form of SVT. An abnormal short circuit (circular conduction) occurs near the AV node.

Instead of a single AV node between the top and bottom chambers, there is a second connection that is abnormal. This extra connection has been present since birth. As a result of having 2 connections a short-circuit can occur. This is the least common form of SVT. There is an extra Belbuca (Buprenorphine Buccal Film)- FDA origin of the electrical impulse from a small area in the atria other than the SA node. It is not known when or why such an extra focus develops.

Please read our information on SVT ablation in posterior vitreous detachment Procedures section of great topic website. Melbourne Heart Rhythm has an international reputation as one of the centers of excellence in cardiac arrhythmia research in Australasia and the world. Our friendly team are committed to providing excellence in patient care.

They are all well qualified and knowledgeable about patients and their cardiac conditions. To learn about common arrhythmias and our cardiac procedures, visit our Cardiovascular Library for more information.

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