Canadian Cardiovascular Society Angina Class
Classifies effort angina into four classes by the activity that triggers symptoms.
When to use
Description of effort angina limitation in adults with known or suspected coronary disease.
Pearls and pitfalls
- The class describes the effort threshold that provokes angina, not the anatomic severity of coronary disease.
- Rest angina or new onset angina is not just a higher class; it requires assessment for acute coronary syndrome.
- The classification can change with treatment, revascularization or disease progression.
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Formula
Choose the class matching the minimal activity that triggers angina, from I to IV.
Evidence
Four class system proposed by Campeau to standardize the description of effort angina.
References
- Campeau L. Letter: Grading of angina pectoris. Circulation. 1976;54(3):522-523. doi:10.1161/circ.54.3.947585
Frequently asked questions
What is Canadian Cardiovascular Society Angina Class?
Classifies effort angina into four classes by the activity that triggers symptoms. Description of effort angina limitation in adults with known or suspected coronary disease.
How is the result calculated?
Choose the class matching the minimal activity that triggers angina, from I to IV.
How should the result be interpreted?
Four class system proposed by Campeau to standardize the description of effort angina.
What are the sources?
Campeau L. Letter: Grading of angina pectoris. Circulation. 1976;54(3):522-523.