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(Circulation. 1973;47:287.)
© 1973 American Heart Association, Inc.

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Thirty-Month Follow-up of Maximal Treadmill Stress Test and Double Master's Test in Normal Subjects

WILBERT S. ARONOW M.D.¹

¹ From the Cardiology Section, Medical Service, Long Beach Veterans Administration Hospital and the University of California College of Medicine, Irvine, California.

One hundred normal subjects who had a double Master's test and a maximal treadmill stress test (MTST) were clinically evaluated 30 months later. Ninety-nine of these 100 subjects (99%) had a follow-up treadmill test at 30 months. One of four subjects (25%) with initially an abnormal double Master's test developed coronary heart disease within 30 months. Three of 96 subjects (3.1%) with initially a normal double Master's test developed coronary heart disease within 30 months. Three of 13 subjects (23.1%) with initially an abnormal MTST developed coronary heart disease within 30 months. One of 87 subjects (1.1%) with initially a normal MTST developed coronary heart disease within 30 months. The MTST correlated better than the double Master's test in predicting subsequent coronary heart disease.

Key Words: Electrocardiography • Exercise • Treadmill

Submitted on August 4, 1972
Accepted on October 24, 1972

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