Ischemia during treadmill testing was more effectively suppressed by amlodipine, whereas ischemia during ambulatory monitoring was more effectively suppressed by atenolol. The combination was more effective than either single drug in both settings.

Sensitivity to physical symptoms, ischemic threshold and exercise tolerance are independently associated with angina, with sensitivity to physical symptoms having the stronger influence. The physiologic and psychologic mechanisms underlying symptom perception have an influence on angina that is independent of and additive to the severity of underlying ischemia.

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