Usually, your heart contracts and relaxes to a regular rhythm. With atrial fibrillation, the top chambers of the heart (the atria) beat irregularly and cannot effectively move blood into the ventricles.
Possible atrial fibrillation triggers are:
Congenital Heart Defects
Sick Sinus Syndrome
Stimulants (Tobacco, Caffeine, Medications, Alcohol)
Diagnosis includes a combination of pulse check, listening to heart sounds with the following tests:
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