CCS Angina Classification Calculator

Canadian Cardiovascular Society (CCS) functional classification of angina pectoris (I–IV).

For educational and clinical reference. Not a substitute for medical judgment. See the medical disclaimer.
Score
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Interpretation
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References

  1. Campeau L. Grading of angina pectoris (letter). Circulation. 1976;54(3):522-523.

How to use

  1. Select the activity level that triggers angina.
  2. The CCS class and severity interpretation update instantly.
  3. Document class at each visit to track response to therapy.

Frequently asked questions

What is the CCS angina classification?

The Canadian Cardiovascular Society functional classification grades angina severity from I (minimal limitation) to IV (rest angina), guiding therapy intensity and prognosis.

How does CCS relate to NYHA?

CCS is specific to angina; NYHA classifies heart failure symptoms. Both use a I–IV framework but assess different conditions.

When should CCS class be reassessed?

At every cardiology follow-up and after any change in anti-anginal therapy or revascularization.

Does CCS class predict outcomes?

Higher CCS class correlates with worse functional status, higher event rates, and often dictates escalation to PCI or CABG in stable coronary disease.

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