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The New York Heart Association (NYHA) Functional Classification provides a simple way of classifying the extent of heart failure.It places patients in one of four categories based on how much they are limited during physical activity; the limitations/symptoms are in regard to normal breathing and varying degrees in shortness of breath and/or angina.
Eight-year mortality rates were 20.5%, 24.1%, 40.4% and 35.3% among class I, II, III and IV patients, respectively. Limitations of the CCS grading system include the lack of consideration of confounding factors, such as drug therapy before exertion (particularly sublingual nitrates), and personal warm-up. [6]
In a normal heart, the heart rate is the rate at which the sinoatrial node depolarizes since it is the source of depolarization of the heart. Heart rate, like other vital signs such as blood pressure and respiratory rate, change with age. In adults, a normal heart rate is between 60 and 100 bpm (normocardic), whereas it is higher in children. [57]
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The European Heart Rhythm Association score of atrial fibrillation (or EHRA score) is a classification system for the extent of atrial fibrillation.It places patients in one of four categories based on how much they are limited during physical activity; the limitations/symptoms are in regard to normal breathing and varying degrees in shortness of breath and/or angina.
Central Park is an urban park between the Upper West Side and Upper East Side neighborhoods of Manhattan in New York City, and the first landscaped park in the United States.. It is the sixth-largest park in the city, containing 843 acres (341 ha), and the most visited urban park in the United States, with an estimated 42 million visitors annually as of 2016
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