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为探讨舌下硝酸甘油试验对冠心病的诊断价值,对我院门诊或住院的29名原发性高血压病患者,于1992年8月15日～1993年2月15日,进行了舌下硝酸甘油对R波、T波振幅(RWA、TWA)影响的试验。结果表明:低平T波组试验后∑TWA均显著降低,而正常T波组无显著降低。以5min时∑TWAV2～6降低≥2.0mm和∑TWA1～12降低≥0.5mm分别对本试验组中12例冠心病患者作为评分标准,敏感性和特异性分别为66.7%和82.4%;83.3%和82.4%。认为该试验有可能成为基层医院诊断冠心病的一种较好方法。
To investigate the sublingual nitroglycerin test on the diagnosis of coronary heart disease, our hospital outpatient or hospitalized 29 patients with essential hypertension, from August 15, 1992 to February 15, 1993, under the tongue Effect of Nitroglycerin on R Wave and T Wave Amplitude (RWA, TWA). The results showed that ΣTWA decreased significantly in low-T wave group and no significant decrease in normal T-wave group. The 5-minute reduction of ΣTWAV2 ~ 6≥2.0mm and the decrease of ΣTWA1 ~ 12≥0.5mm were respectively evaluated in 12 patients with coronary heart disease in our study. The sensitivity and specificity were 66.7%, 82.4%, 83.3% and 82.4%. That the trial may become a primary hospital diagnosis of coronary heart disease is a better way.