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	Skala Borga Oceny Odczuwanego Wysiłku (RPE)	Nowojorkskie Towarzystwo Kardiologiczne (NYHA) - Klasyfikacja czynnościowa
Dziedzina	Kardiologia	Kardiologia
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1982	1994
Twórca	Gunnar Borg	New York Heart Association
Typ	Single-item numerical rating scale	Ordinal clinician-assessment classification system
Źródło pierwotne	Borg, G. A. (1982). Psychophysical bases of perceived exertion. Medicine & Science in Sports & Exercise, 14(5), 377–381.	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.
Inne nazwy	Borg Scale, Borg RPE, Borg 0-10	NYHA, NYHA Class, Functional Classification
Pokrewne	4	4
Podsumowanie	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.	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.