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JAMA Patient Page |

Heart Failure FREE

Janet M. Torpy, MD, Writer; Cassio Lynm, MA, Illustrator; Robert M. Golub, MD, Editor
JAMA. 2011;306(19):2175. doi:10.1001/jama.306.19.2175.
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Heart failure develops when the heart malfunctions as a pump. Systolic heart failure is the inability of the heart to squeeze enough blood from the ventricles (heart chambers) to supply the body's needs. Diastolic heart failure results from the inability of the heart muscle to relax in between heartbeats, causing a backup of blood in the heart's chambers and in the blood vessels. Both systolic and diastolic heart failure can cause edema (fluid) to build up in the lungs and the rest of the body. The heart tries to make up for this malfunction by dilating (enlarging the heart chambers) or becoming hypertrophic (thickening of the heart walls). For individuals older than 65 years, heart failure is the most common cause of hospitalization. The November 16, 2011, issue of JAMA is a theme issue on cardiovascular disease. This Patient Page is based on one previously published in the May 13, 2009, issue of JAMA.

SIGNS AND SYMPTOMS

  • Fatigue or weakness

  • Shortness of breath during physical activity

  • Difficulty breathing when lying in a flat position

  • Waking at night feeling short of breath

  • Swollen neck veins (jugular veins)

  • Abdominal swelling (ascites) from excess fluid

  • Lower leg or foot swelling (pedal edema)

  • Palpitations (sensation of fast or irregular heartbeat)

DIAGNOSIS AND TESTING

A detailed medical history and physical examination often reveal whether a person has heart failure. Testing may include a chest x-ray to look for cardiomegaly (an enlarged heart), pulmonary edema (fluid in the lungs), or pleural effusion (collection of fluid around the lungs). Other tests commonly include an electrocardiogram (tracing of the heart rhythm) and an echocardiogram (ultrasound examination showing the heart structures and function of heart valves).

TREATMENT

Treating heart failure depends on the reasons why heart failure developed. It is important to work with your doctor to find the best treatment plan, including an exercise program.

  • A low-sodium diet is prescribed to decrease fluid retention.

  • Medications used to treat heart failure often include beta-blockers that allow the heart to work better, ACE inhibitors that lower blood pressure and help the heart pump against less pressure, and diuretics to remove excess fluid.

  • Pacemakers and implantable defibrillators may be useful to help the heart contract in a coordinated way and monitor for irregular, life-threatening heart rhythms.

  • Surgery may be recommended for heart valve disease or congenital heart disease.

  • For persons who have severe advanced heart failure, medications called inotropes may be used to help the heart beat more strongly. Use of these drugs often requires a long-term intravenous catheter. Mechanical devices may be required, such as intra-aortic balloon pumps ; left, right, or biventricular assist devices ; or, rarely, a mechanical heart pump.

  • Heart transplantation may be considered when severe heart failure does not respond to the usual treatments.

FOR MORE INFORMATION

INFORM YOURSELF

To find this and previous JAMA Patient Pages, go to the Patient Page link on JAMA 's Web site at http://www.jama.com. Many are available in English and Spanish. A Patient Page on acute coronary syndromes was published in the January 6, 2010, issue; one on chest pain was published in the April 8, 2009, issue; one on implantable cardioverter- defibrillators was published in the May 2, 2007, issue; and one on cardiac stress testing was published in the October 15, 2008, issue.

Sources: National Heart, Lung, and Blood Institute; American Heart Association

The JAMA Patient Page is a public service of JAMA. The information and recommendations appearing on this page are appropriate in most instances, but they are not a substitute for medical diagnosis. For specific information concerning your personal medical condition, JAMA suggests that you consult your physician. This page may be photocopied noncommercially by physicians and other health care professionals to share with patients. To purchase bulk reprints, call 312/464-0776.

Topic: HEART DISEASE

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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