85% of maximal age-predicted heart rate is not a valid endpoint for exercise treadmill testing |
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| Authors: | Mohit Jain Chileshe Nkonde Ben A. Lin Alerice Walker Frans J. Th. Wackers |
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| Affiliation: | (1) The Section of Cardiovascular Medicine, Department of Internal Medicine and the Cardiovascular Nuclear Imaging and Stress Laboratories, Yale University School of Medicine, 333 Cedar Street Fitkin-3, New Haven, CT 06510, USA; |
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| Abstract: | ![]()
Background Exercise testing should be symptom-limited. Nevertheless, 40% of clinical laboratories applying for ICANL accreditation use 85% of maximal age-predicted heart rate (MPHR) as the primary exercise endpoint. We hypothesized that this approach importantly may underestimate exercise capacity and inducible ischemia. |
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