heart failure definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- the failure of the heart to beat or to pump blood
- the inability of the heart to pump enough blood to maintain an adequate flow to and from the body tissues
heart failure definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Cessation of normal heart function.
- The inability of the heart to pump blood at an adequate rate, resulting in congestion in the lungs, shortness of breath, edema in the lower extremities, and enlargement of the liver.
heart failure - Medical Definition
nounThe American Heritage® Medical Dictionary Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A condition marked by weakness, edema, and shortness of breath that is caused by the inability of the heart to maintain adequate blood circulation in the peripheral tissues and the lungs. Also called cardiac insufficiency, congestive heart failure, myocardial insufficiency.
- The resulting clinical syndrome, consisting of shortness of breath, pitting edema, enlarged tender liver, engorged neck veins, and pulmonary rales.
heart failure - Science Definition
An acute or chronic inability of the heart to maintain adequate blood circulation to the peripheral tissues and the lungs, usually characterized by fatigue, edema, and shortness of breath. Heart failure has many causes, including coronary artery disease, hypertension, and cardiomyopathy. Also called congestive heart failure.