Cardiology

NYHA Functional Class

Functional severity of heart failure.

Education and reference only. Not a substitute for clinical judgement, local policy or product labelling. Always verify before clinical use. Values are calculated in your browser and never stored.

When to use

Use to describe the functional limitation imposed by heart failure and to track change with treatment.

Why use

It is the standard shorthand for heart-failure symptom severity.

Evidence & references

  1. New York Heart Association functional classification.

Related calculators

Mean Arterial Pressure (MAP)Average arterial pressure across the cardiac cycle.

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