Congestive Heart Failure (CHF)

What are the signs and symptoms of congestive heart failure? (Continued)

The New York Heart Association has developed a scale that is commonly used to determine the functional capabilities of a patient with heart failure.

New York Heart Association (NYHA) Functional Classification of Heart Failure

  • Class I - Patients without limitation of physical activity.
  • Class II - Patients with slight limitation of physical capacity, in which marked increase in physical activity leads to fatigue, palpitations, dyspnea, or angina pain; they are comfortable at rest.
  • Class III - Patients with marked limitation of physical activity in which minimal ordinary activity results in fatigue, palpitation, dyspnea, or angina pain; they are comfortable at rest.
  • Class IV - Patients who are not only unable to carry on any physical activity without discomfort but who also have symptoms of heart failure or the angina syndrome even at rest; the patient's discomfort increases if any physical activity is undertaken. Continue Reading
Reviewed on 5/19/2016
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