American Heart Association

Answers

What is hyperthyroidism?

Hyperthyroidism is overactivity of the thyroid gland, leading to overproduction of thyroid... Full Answer

12/31/1969

What is a Holter monitor?

A Holter monitor is a battery-operated, portable device that measures and tape-records the... Full Answer

12/31/1969

What is heart valve replacement?

Heart valve replacement surgery, also called artificial heart valve surgery, is open-heart surgery... Full Answer

12/31/1969

What is a heart transplant?

A heart transplant is surgery that replaces a damaged heart with a healthy heart taken from a donor... Full Answer

12/31/1969

What is a heart murmur?

Heart murmur is an abnormal sound in the heart caused by defective heart valves or holes in the... Full Answer

12/31/1969

What is the purpose of an exercise stress test?

An exercise stress test, also called a treadmill test or screening tool to determine the cause of... Full Answer

12/31/1969

What is estrogen?

Estrogen is a hormone produced in a woman’s body. It is also produced in a man’s body... Full Answer

12/31/1969

What is an embolus?

An embolus is a blood clot or other particle that forms in one part of the body, then moves through... Full Answer

12/31/1969

What is an electroencephalogram (EEG)?

An electroencephalogram, also called an EEG, is a graphic record of the electrical impulses... Full Answer

12/31/1969

What is the ejection fraction?

The heart’s ejection fraction is a term that describes how well the heart can pump blood out... Full Answer

12/31/1969

What is Ebstein's malformation (or Ebstein's anomaly)?

Ebstein’s anomaly, also called Ebstein’s malformation, is a congenital (at birth) heart... Full Answer

12/31/1969

What causes shortness of breath (dyspnea)?

Dyspnea is difficult or labored breathing, often caused by heart conditions. Two types of dyspnea... Full Answer

12/31/1969

What are swallowing disorders (dysphagia)?

Dysphagia is difficulty chewing and swallowing food. It occurs when one side of the mouth or throat... Full Answer

12/31/1969

What is dysarthria?

Dysarthria is speech that is slowed, slurred or distorted due to muscular problems caused by damage... Full Answer

12/31/1969

What is digitalis?

Digitalis, also called digoxin or digitoxin, is a drug that strengthens the contraction of the... Full Answer

12/31/1969