Congestive Heart Failure (cont.)
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Congestive Heart Failure Stages
Once a diagnosis of heart failure is established, evaluation of heart failure is important. Providing a complete and accurate history of symptoms is essential. Two major groups have established various stages of congestive heart failure.
The American College of Cardiology/American Heart Association stages patients according to the progression of their heart failure. The stages are as follows:
The New York Heart Association classifies patients based on their physical limitations. Classifications are as follows:
Terrence X O'Brien, MD, FACC
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Heart failure is the pathophysiologic state in which the heart, via an abnormality of cardiac function (detectable or not), fails to pump blood at a rate commensurate with the requirements of the metabolizing tissues and/or pumps only from an abnormally elevated diastolic filling pressure.