In-depth

Complications

Low blood pressure (hypotension)

Low blood pressure (hypotension) can be a sign of good health or of a life-threatening condition. Find out more about hypotension's causes and treatment options.

Definition

What is atrial fibrillation?

Atrial fibrillation is a common heart disorder. Find out more about this heart rhythm problem, including its symptoms, causes and treatments.

Risk factors

What are the risk factors for atrial fibrillation?

Atrial fibrillation is a common heart disorder. Find out more about the risk factors for this heart rhythm problem.

Symptoms

Atrial fibrillation is a common heart disorder. Find out more about the signs and symptoms of this heart rhythm problem.

Heart palpitations

Heart palpitations are skipped, fluttering or racing heartbeats that aren't usually a symptom of a serious heart problem. Discover the causes and symptoms of this condition.

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Tests and diagnosis

Echocardiogram

Echocardiogram allows your doctor to see your heart in motion. Here's what you need to know about the test.

Electrocardiogram

An electrocardiogram (ECG or EKG) is a test that provides valuable clues about your heart health. Here's what you need to know about the test.

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Feb. 08, 2013