Do you know about - Some Basics of Atrial Fibrillation
Causes Of Afib! Again, for I know. Ready to share new things that are useful. You and your friends.Your heart is supposed to function according to a rhythm defined by coordinated electrical impulses generated by your sinoatrial - or sinus - node. The sinus node is a group of cells located at the top of your right atrium (one of two upper chambers of your heart). It produces an electrical signal that travels downward and spreads throughout the cells of your left and right atria. The signal causes the atria to contract, pumping blood through the mitral and tricuspid valves into the ventricles (two lower chambers of your heart).
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We had a good read. For the benefit of yourself. Be sure to read to the end. I want you to get good knowledge from Causes Of Afib.The electrical impulse reaches the atrioventricular node, which is positioned between the atria and ventricles. The signal pauses while your ventricles fill with blood. Once they have filled, the impulse continues its downward trajectory and causes your ventricles to contract, pumping blood outward.
In this article, we'll provide a brief description of atrial fibrillation (or, Afib), a problem with your heart's electrical system. We'll also explain some of the dangers of not treating the condition.
What Is Atrial Fibrillation?
Atrial fibrillation is a problem that occurs when the electrical impulses are not generated from within your sinus node. Instead, they are produced from the pulmonary veins or another portion of the atria.
Rather than spreading throughout the cells of the atria in a uniform manner, the impulses spread in a disjointed fashion, causing the atria to flutter. Meanwhile, the erratic pattern of the impulses overwhelm the AV node, causing the ventricles to contract much faster than necessary. As a result, the atria fibrillate, the ventricles beat quickly (though more slowly than the atria), and your heart works much harder than it should.
Potential Dangers Of Afib
There are several dangers associated with Afib. First, because of the erratic rhythm of your heart's four chambers, your ventricles fill with random amounts of blood. Sometimes, they will receive small amounts; other times, they will fill with large amounts. This lack of uniformity means that your heart cannot pump blood efficiently to the rest of your body. In some cases, this can lead to heart failure.
Another potential danger is clotting. The inconsistent rhythm of the atrial contractions can lead to a pooling of blood. Some of the blood may not flow into the ventricles; that which remains in the atria can form blood clots. If a clot travels to your brain, it can cause a stroke.
Treating The Problem Through Surgery
Atrial fibrillation can be treated with medications. For example, anticoagulants can be prescribed to prevent clotting. In the event that symptoms become severe, or anticoagulants are ineffective or not tolerated well, surgery can be performed. Doctors can conduct a Maze procedure to control the path of your heart's electrical impulses, and reintroduce a uniform heartbeat.
Not everyone is a good candidate for Maze surgery. If you suffer from Afib, speak with your physician to determine whether this procedure is the most appropriate form of treatment for your condition.
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