New York Heart Association Class I

**Semantic type:** Finding

**Definition:** A finding associated with a patient with defined or presumed cardiac disease without limitations of physical activity. Ordinary physical activity does not cause undue fatigue, palpitation, or dyspnea. (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 I - NYHA Class I