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	Classificazione Funzionale della New York Heart Association (NYHA)	Scala Borg della Percezione dello Sforzo (RPE)
Campo	Cardiologia	Cardiologia
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1994	1982
Ideatore	New York Heart Association	Gunnar Borg
Tipo	Ordinal clinician-assessment classification system	Single-item numerical rating scale
Fonte seminale	The Criteria Committee of the New York Heart Association. (1994). Nomenclature and Criteria for Diagnosis of Diseases of the Heart and Great Vessels (9th ed.). Little, Brown and Company.	Borg, G. A. (1982). Psychophysical bases of perceived exertion. Medicine & Science in Sports & Exercise, 14(5), 377–381.
Alias	NYHA, NYHA Class, Functional Classification	Borg Scale, Borg RPE, Borg 0-10
Correlati	4	4
Sintesi	The New York Heart Association (NYHA) Functional Classification is a four-category ordinal system for grading heart failure severity based on the level of physical activity that precipitates dyspnea or other HF symptoms. Established by the NYHA in 1928 and refined in 1994, the NYHA classification is the oldest and most widely used functional status metric in cardiology, providing a simple, clinically intuitive framework for describing HF symptom burden, guiding treatment intensity, and predicting prognosis.	The Borg Rating of Perceived Exertion (RPE) Scale is a simple 0–10 (or original 6–20) numerical rating scale that quantifies a patient's subjective perception of dyspnea or general effort during activity or exercise testing. Developed by Swedish psychophysicist Gunnar Borg in the 1970s–1980s, the Borg Scale is ubiquitous in cardiopulmonary medicine, rehabilitation, and exercise physiology for monitoring symptom severity, guiding exercise intensity, assessing treatment response, and ensuring patient safety during testing and rehabilitation.