
Heart failure
- inability of the heart to pump blood at an adequate rate to fill tissue metabolic requirements or the ability to do so only at an elevated filling pressure.
- Inability of the heart to pump blood at an adequate rate to meet tissue metabolic requirements or the ability to do so only at an elevated filling pressure.

Congestive heart failure unspecified
- complication of heart diseases; defective cardiac filling and/or impaired contraction and emptying, resulting in the heart's inability to pump a sufficient amount of blood to meet the needs of the body tissues or to be able to do so only with an elevated filling pressure.
- Weakness of the heart muscle that leads to a buildup of fluid in body tissues.
- 1. inadequacy of the heart so that as a pump it fails to maintain the circulation of blood, with the result that congestion and edema develop in the tissues; SEE ALSO forward heart failure, backward heart failure, right ventricular failure, left ventricular failure. SYN cardiac failure, cardiac insufficiency, congestive heart failure, myocardial insufficiency. 2. resulting clinical syndromes including shortness of breath, pitting edema, enlarged tender liver, engorged neck veins, and pulmonary rales in various combinations.
- Failure of proper functioning of the right ventricle, with venous engorgement, hepatic enlargement, and subcutaneous edema.

Left heart failure
- Failure of adequate output by the left ventricle despite an increase in distending pressure and in end-diastolic volume, with dyspnea, orthopnea, and other signs and symptoms of pulmonary congestion and edema.

Systolic heart failure

Unspecified systolic heart failure

Acute systolic heart failure

Chronic systolic heart failure

Acute on chronic systolic heart failure

Diastolic heart failure

Unspecified diastolic heart failure

Acute diastolic heart failure

Chronic diastolic heart failure

Acute on chronic diastolic heart failure

Combined systolic and diastolic heart failure

Unspecified combined systolic and diastolic heart failure

Acute combined systolic and diastolic heart failure

Chronic combined systolic and diastolic heart failure

Acute on chronic combined systolic and diastolic heart failure

Heart failure unspecified
- inability of the heart to pump blood at an adequate rate to fill tissue metabolic requirements or the ability to do so only at an elevated filling pressure.
- Inability of the heart to pump blood at an adequate rate to meet tissue metabolic requirements or the ability to do so only at an elevated filling pressure.