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本组200例β-受体反应亢进症主要临床症状有胸闷(67.5%)、心悸(62.5%)、头晕(57.5%)、乏力(54.5%)。卧位心电图检出 ST-T 改变46例,仅占23%,立位心电图检出 ST-T改变183例,达91.5%。立卧位心率差数β-受体反应亢进症组(16.95±9.18次/分)显著大于正常对照组(8.23±4.3次/分)(P<0.01)。
The main clinical symptoms of 200 patients with β-receptor hyperactivity were chest tightness (67.5%), heart palpitations (62.5%), dizziness (57.5%) and weakness (54.5%). In the supine electrocardiogram, ST-T changes were found in 46 cases, accounting for only 23%. In the ortho-electrocardiogram, ST-T changes were found in 183 cases (91.5%). The difference between the two groups was significant (P <0.01), which was significantly higher than that in the normal control group (16.95 ± 9.18 beats / min).