NYHA Class
Also written as: NYHA — New York Heart Association
New York Heart Association functional classification system that categorizes heart failure patients by symptom severity and activity limitations.
Full Definition
NYHA Class refers to the New York Heart Association Functional Classification, a widely used system for categorizing patients with heart failure based on their symptoms and functional limitations during physical activity. The classification ranges from Class I (no symptoms with ordinary activity) to Class IV (symptoms at rest or with minimal activity). In cardiac rehabilitation, NYHA Class helps determine exercise prescription parameters, progression rates, and safety considerations. The classification is frequently documented in patient records and influences treatment decisions and prognosis discussions.
Usage
Usage note: Always capitalize 'Class' when referring to the specific NYHA classification system.
In Context
- "The patient's NYHA Class II status indicates mild activity limitations." — clinical assessment
- "Improvement from NYHA Class III to Class II demonstrates successful rehabilitation outcomes." — progress note