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Added: Sergio Patterson - Date: 26.09.2021 08:11 - Views: 17309 - Clicks: 7062

Your heart's job is to pump blood throughout your body. When it's working the way it should, it pumps to a regular, steady beat. This is called a normal sinus rhythm. When it's not, you could have an irregular heartbeat called AFib. You probably don't think much about your heartbeat because it happens so easily. It's really like a complex dance. During each beat, the two upper chambers of your heart squeeze, or contract. Those are the atria. Then the two lower chambers, called the ventricles, contract.

When the chambers contract, they move the blood along. Your heart's electrical system controls the timing of the pumping. Each heartbeat starts with a al from the sinoatrial SA node, in your right atrium. The SA node is called the heart's pacemaker because it adjusts your heart rate based on what you're doing. It raises your heart rate the same thing as your pulse when you exercise and slows it down when you sleep. The al spre across the right and left atria.

That makes them contract and forces blood into your ventricles. Then, the al moves to the atrioventricular node AV node, which is near the middle of your heart. From there, the al travels through the ventricle walls. That makes them contract and squeeze blood out of the heart. The right ventricle sends blood to your lungs , while the left pumps it to the rest of your body. The walls then relax and wait for the next al. When everything is working smoothly, you have a normal sinus rhythm and your heart beats between 60 and times per minute.

Sometimes the heart's electrical system doesn't work the way it should. Atrial fibrillation , also called AF or AFib , is the most common type of irregular heartbeat. In this case, the als get jumbled. As a result, instead of beating strongly and regularly, the atria quiver.

So blood doesn't move into the ventricles very well. Instead of the dance being nice and organized, things are hectic and confusing. Many als -- sometimes as many as -- leave the atria at the same time, competing to get through the AV node to the ventricles. However, the AV node prevents them all from getting through. Only about one or two out of every five als pass through. They go quickly and messily, resulting in an irregular heartbeat. The heart rate during AFib often varies between slow, normal, or fast. Some people have AFib every once in a while.

Symptoms might last for a few minutes or a few hours. Then things return to normal. Other people have AFib often and need treatment to get their heartbeat to return to a normal sinus rhythm. Call your doctor if you have symptoms. And timely treatment, usually with a medication called a blood thinner your doctor may call it an anticoagulant , can prevent strokes. Heart Disease Atrial Fibrillation Reference. What's Atrial Fibrillation? Some people have no symptoms.

If you have them, you might feel: Fast, irregular heartbeat Fluttering, thumping, or flip-flopping in your chest Shortness of breath Dizziness Lack of energy when you exercise Weakness Fatigue Lightheadedness Confusion Chest pain Some people have AFib every once in a while. Could I have CAD? Missing Teeth?

Im looking for Normal

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