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心电图可较早发现成人长期高血压产生的左心室肥大,为了研究在持续性血压升高的青少年中是否如此,对50个持续性血压升高的青少年和50个对照者作了胸片、心电图和超声心动图来评价左心室肥大的罹患率,并将这些无损伤性检查方法的特异性和敏感性作了比较。材料、方法和结果:学校普查在五个月以上三次不同时间,安静后收缩压和舒张压超过第95百分位数,再连续四次复查血压仍高者,则考虑该生有
Electrocardiography may be an early detection of left ventricular hypertrophy in adults with long-term hypertension. To investigate whether this is true in adolescents with persistent blood pressure, chest radiography was performed on 50 persistently elevated blood pressure adolescents and 50 controls And echocardiography to evaluate the prevalence of left ventricular hypertrophy and to compare the specificity and sensitivity of these non-invasive tests. MATERIALS, METHODS AND RESULTS: At school censuses at five different times over five months, the systolic and diastolic blood pressures exceeded the 95th percentile after quiescence and the blood pressure was checked again four times in a row.