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Do data from a previous exercise test influence the prognostic information given by a second routine exercise ECG
J Erikssen1, E Thaulow, L Sandvik
1Medical Department, Central Hospital of Akershus, Nordbyhagen, Norway.
Abstract:
A positive exercise ECG test in a middle-aged man without confounding disease is a strong indicator of occult coronary heart disease. In the years following a positive test mortality, but CHD events vary considerably compared with subjects having normal exercise tests. If a second exercise test is positive in the same subjects years later, this signifies a disease which is prone to progress in a very severe way in the ensuing years. A first normal test followed by a second pathologic test has an intermediate prognostic significance compared with two normal tests years apart. The clinical course indicates that preventive measures should be taken after observing a positive exercise test, and even more importantly if two positive tests are observed years apart.
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