angina at rest

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angina at rest

A type of unstable angina, which may be subacute (class II) or acute (class III).
References in periodicals archive ?
Value of the electrocardiogram in diagnosing the number of severely narrowed coronary arteries in rest angina pectoris.
Unstable angina usually represents rest angina (usually greater than 20 minutes), new-onset angina (class III or greater), or increasing angina.