Stable and unstable angina pectoris usually occur on following conditions y Extreme weather strong emotion Excessive exercise Excessive food intake Excessive smoking Variant angina: usually occur when a person is at rest between midnight and ganExtreme weather Excessive food intake Excessive smoking Excessive exercise Strong emotion ➢ Variant angina: usually occur when a person is at rest between midnight and 8am ➢ Stable and unstable angina pectoris usually occur on following conditions 7