Table 1.

Clinical Classification of Chest Pain

Typical angina (definite)
(1) Substernal chest discomfort with a characteristic quality and duration that is (2) provoked by exertion or emotional stress and (3) relieved by rest or nitroglycerin
Atypical angina (probable)
Meets 2 of the above characteristics
Noncardiac chest pain
Meets ≤1 of the typical angina characteristics
  • Modified from Diamond GA. A clinically relevant classification of chest discomfort. J Am Coll Cardiol. 1983;1:574. Letter.