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Von willebrand disease nhlbi guidelines for asthma

post in: Beauty, News Date:12 Nov 2017, 04:56 views:2144

Von willebrand disease nhlbi guidelines for asthma

Overview, what is atrial fibrillation? Atrial asthma fibrillation (say A-tree-uhl fih-bruh-LAY-shun is an irregular heart rhythm ( arrhythmia ) that starts in the upper parts (atria) of the heart. Atrial fibrillation is a common type of arrhythmia in people older than age.

Atrial fibrillation is the most common type of persistent irregular heartbeat (arrhythmia). Normally, the heart beats in a strong, steady rhythm. In atrial fibrillation, a problem with the causes the atria to quiver, or fibrillate.

The quivering upsets the normal rhythm between the atria and the lower parts (ventricles) of the heart. The lower parts may beat fast and without a regular rhythm. Atrial fibrillation is dangerous because it greatly increases the risk of stroke.

If the heart doesn't aspirateur beat strongly, blood can collect, or pool, in the atria.

Pooled blood is more likely to form clots. If the heart pumps a clot into the bloodstream, the clot can travel to the brain and block blood flow, causing a stroke. Atrial fibrillation can also lead to heart failure.

What causes atrial fibrillation? Conditions that damage or strain the heart commonly cause atrial fibrillation. These include: Atrial fibrillation may also be caused by: Other medical problems, such as lung disease, pneumonia, or a high thyroid level ( hyperthyroidism ).

Having more than 3 drinks a day over many years can cause long-lasting atrial fibrillation. Drinking a large amount of alcohol at one time (binge drinking) may also cause a spell (episode) of atrial fibrillation. These include caffeine, nicotine, medicines such as decongestants, and illegal drugs such as cocaine.

Use of some prescription medicines, such as albuterol or theophylline.

Sometimes doctors can't find the cause. Doctors call this lone atrial fibrillation.

What are the symptoms? Symptoms may include: Feeling dizzy or lightheaded. Feeling out of breath.

 

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