New York Heart Association

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New York Heart Association



The professional society that promulgated four classes of heart failure. Class 1: is asymptomatic but there is risk because of hypertension with evidence of organ stress; Class 2: is mildly symptomatic during significant exertion; Class 3: is moderately symptomatic during light exertion; Class 4: the patient is unable to leave the room or bed without severe shortness of breath.
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References in periodicals archive ?
New York Heart Association Functional Classification and World Health Organization Classification of Functional Status A.
In the Canadian Implantable Defibrillator Study (CIDS), three factors were significantly associated with increased benefit from an ICD: age of 70 or older, a left ventricular ejection fraction of less than 30%, and New York Heart Association functional classification of III or IV.

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