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运动是最常见的生理负荷,可出现休息状态下不出现的心血管及肺功能异常。临床运动试验常用于运动耐量受限的疾病,对于休息时少或无疾病证据的病人,有助于诊断和预测预后。一、运动试验结果的解释一般认为,若试验值超过平均值2个标准差视其为异常。然而在无心脏病病人中运动试验变异不呈正态分布,因而不能用来评估其结果。判断试验结果正常和异常,应按更精确的诊断方法(如冠脉
Exercise is the most common physiological load, there may be resting state does not appear cardiovascular and pulmonary dysfunction. Clinical exercise tests are commonly used in patients with limited exercise tolerance, and are useful in the diagnosis and prognosis of patients with little or no evidence of illness at rest. First, the interpretation of the results of exercise test It is generally believed that if the test value exceeds the standard deviation of two standard as abnormal. However, exercise test variability in patients without heart disease is not normally distributed and can not be used to assess the outcome. To determine the test results are normal and abnormal, should be more accurate diagnostic methods (such as coronary artery