New York Heart Association Class IV

**Semantic type:** Finding

**Definition:** A finding associated with a patient with defined or presumed cardiac disease with inability to carry on any physical activity without discomfort. Symptoms are present even at rest or minimal exertion. (from The Criteria Committee of the New York Heart Association. Nomenclature and Criteria for Diagnosis of Diseases of the Heart and Great Vessels. 9th ed. Boston, Mass: Little, Brown & Co; 1994:253-256.)

**Synonyms:** - NYHA CLASS IV - NYHA Class IV