Skip to content
My WebMD Sign In, Sign Up

Atrial Fibrillation Health Center

Medical Reference Related to Atrial Fibrillation

  1. Atrial Fibrillation - When to Call a Doctor

    Some symptoms of atrial fibrillation need urgent medical evaluation. Callor other emergency services immediately if you:Have severe chest pain.Experience any signs of a stroke.Feel faint and have an irregular heartbeat.If you see someone pass out, callor other emergency services immediately.Call your doctor if you have:An irregular heart rate.Heart palpitations.Periods of unexplained ...

  2. Atrial Fibrillation - Overview

    What is atrial fibrillation?Atrial 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. Normally, the heart beats in a strong, steady rhythm. In atrial fibrillation, a problem with the heart’s electrical system causes the atria to quiver, or fibrillate. The quivering upsets the normal rhythm

  3. Atrial Fibrillation - Health Tools

    Health tools help you make wise health decisions or take action to improve your health.Decision Points focus on key medical care decisions that are important to many health problems. Should I take anticoagulants to prevent stroke? Should I try cardioversion for atrial fibrillation?Actionsets are designed to help people take an active role in managing a health condition. Taking anticoagulants for .

  4. Atrial Fibrillation - Cause

    Atrial fibrillation is caused by a problem with the electrical activity of the heart.Conditions that damage the heart muscle or strain the heart often cause atrial fibrillation. These include:High blood pressure, a condition in which the force of blood against artery walls is too strong. Normal blood pressure is 119 millimeters of mercury (mm Hg) systolic over 79 mm Hg diastolic or below. ...

  5. Atrial Fibrillation - Medications

    Medication treatment decisions are based on the cause of your atrial fibrillation, your symptoms, and your risk for complications.Treatment with medication is often needed for many years when heart disease is the underlying cause of atrial fibrillation. Rate control medications are usually tried first for people who have persistent atrial fibrillation. These medications include beta - blockers, ..

  6. Atrial Fibrillation - Symptoms

    Symptoms of atrial fibrillation include:Heart palpitations.Irregular pulse.Shortness of breath, especially during physical activity or emotional stress.Weakness, fatigue.Dizziness, confusion.Lightheadedness or fainting (syncope).Chest pain (angina).Atrial fibrillation is often discovered during routine medical checkups, because many people do not have symptoms. Others may notice an irregular ...

  7. Atrial Fibrillation - Treatment Overview

    Treating atrial fibrillation is important for several reasons. An irregular, rapidly beating heart can weaken the heart muscle and cause it to dilate or stretch out. This can increase your risk of developing heart failure or having chest pain or even a heart attack. Also, atrial fibrillation can greatly increase your risk of having a stroke. Many people are able to live full and active lives ...

  8. Electrical Cardioversion for Atrial Fibrillation

    Electrical cardioversion is a procedure in which an electric current is used to reset the heart's rhythm back to its regular pattern (normal sinus rhythm). The low - voltage electric current enters the body through metal paddles or patches applied to the chest wall. Cardioversion is used:To stop atrial fibrillation that has not stopped on its own or after a trial of antiarrhythmic medications has

  9. Beta-Blockers for Atrial Fibrillation

    Drug details for Beta-blockers for atrial fibrillation.

  10. Antiarrhythmic Medicines for Atrial Fibrillation

    Drug details for Antiarrhythmic medications for atrial fibrillation.

Displaying 11 - 20 of 33 Articles << Prev Page 1 2 3 4 Next >>

Today on WebMD

Woman experiencing chest pain
Slideshow
Atrial Fibrillation Guide
Slideshow
 
Heart Foods Slideshow
Slideshow
Compressed heart
Article
 

Omega 3 Overview Slideshow
Slideshow
At Risk for Heart Disease
Video
 
Recognizing Womens Heart Symptoms
FEATURE
Simple Steps to Lower Cholesterol
Slideshow
 

Resolved To Quit Smoking
SLIDESHOW
Lowering Blood Pressure Slideshow
SLIDESHOW
 
Heart Disease And Ed
SLIDESHOW
Heart Attack Spit Test
Video
 

WebMD Special Sections