lunes, 25 de abril de 2016

Atrial Fibrillation Update

Atrial Fibrillation Update





Atrial Fibrillation Update

New on the MedlinePlus Atrial Fibrillation page:
A photo of an EKG strip
04/13/2016 02:39 PM EDT
Genetics Home Reference, Your Guide to Understanding Genetic Conditions
Source: National Library of Medicine - NIH
Atrial fibrillation
Familial atrial fibrillation is an inherited condition that disrupts the heart's normal rhythm. This condition is characterized by uncoordinated electrical activity in the heart's upper chambers (the atria), which causes the heartbeat to become fast and irregular. If untreated, this abnormal heart rhythm can lead to dizziness, chest pain, a sensation of fluttering or pounding in the chest (palpitations), shortness of breath, or fainting (syncope). Atrial fibrillation also increases the risk of stroke and sudden death. Complications of familial atrial fibrillation can occur at any age, although some people with this heart condition never experience any health problems associated with the disorder.

National Institutes of Health

The primary NIH organization for research on Atrial Fibrillation is theNational Heart, Lung, and Blood Institute

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Summary

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

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  • Tachycardia (Mayo Foundation for Medical Education and Research)

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