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1.

Atrial fibrillation

An arrhythmia is a problem with the speed or rhythm of the heartbeat. Atrial fibrillation (AF) is the most common type of arrhythmia. The cause is a disorder in the heart's electrical system. . Often, people who have AF may not even feel symptoms. But you may feel . -Palpitations -- an abnormal rapid heartbeat. -Shortness of breath. -Weakness or difficulty exercising. -Chest pain. -Dizziness or fainting. -Fatigue. -Confusion. AF can lead to an increased risk of stroke. In many patients, it can also cause chest pain, heart attack, or heart failure. . Doctors diagnose AF using family and medical history, a physical exam, and a test called an electrocardiogram (EKG), which looks at the electrical waves your heart makes. Treatments include medicines and procedures to restore normal rhythm. . NIH: National Heart, Lung, and Blood Institute.  [from MedlinePlus]

MedGen UID:
445
Concept ID:
C0004238
Disease or Syndrome; Finding
2.

Atrial fibrillation

MedGen UID:
368090
Concept ID:
C1963067
Finding; Pathologic Function

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