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 DESCRIPTION
It is not done of routine, but yes almost always that there exist symptoms that suggest cardiovascular disease, or before an exercise program in adults with factors of cardiovascular risk (nicotinism, diabetes, hypertension, high cholesterol), or familiar history of infarction or cerebrovascular accidents (to see Cardiovascular Health). The effort test tooth the presence of cardiovascular disease in 3 of every 4 patients, and it discards it in 90 %.
It is possible to do on an exercise bicycle or a rolling tape, but the beginning is the same. Electrodes are placed by the body (for ECG record) and a tension muff, and the patient pedals or walks on the rolling tape. The doctor who supervises the test observes meanwhile the changes in arterial tension, pulse and tracings ECG. The test is completed in half an hour, and gives in earlier if suggestive changes of illness appear in the observed parameters, or if the patient does not tolerate it physically, for depletion or for difficulty to breathe.
If the exercise test is abnormal, it is possible that other more complicated tests are necessary, like cateterismo cardiac (coronariografía) or a study isotópico.
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