| 摘要: |
| 目的 探讨站立性体位对常规平卧位12导联心电图(ECG)QRS波振幅的影响。方法 从住院患者和门诊患者中随机选择60例受检者分别进行平卧位、站立位心电图描记,比较两种体位下Q波、R波和S波的振幅。结果 下壁导联中Ⅱ、Ⅲ、aVF导联Q波和R波的振幅较平卧位加深或升高,Ⅲ导联S波的振幅较平卧位变浅(P<0.05)；侧壁导联中Ⅰ、V5-6导联Q波,Ⅰ、aVL导联S波的振幅较平卧位加深,Ⅰ、aVL导联R波的振幅较平卧位降低(P<0.05)；胸前导联中V1-4导联R 波振幅较平卧位降低,V1-3导联S 波的振幅较平卧位变浅(P<0.05)；aVR导联中R波振幅较平卧位升高(P<0.05)。结论 平卧位、站立位记录的QRS波振幅存在差异。 |
| 关键词: 心电描记术 体位 直立位 |
| DOI：10.3724/SP.J.1008.2012.000 |
| 投稿时间：2012-02-18修订日期：2012-04-14 |
| 基金项目: |
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| Effect of standing position on amplitudes of QRS waves of 12-lead electrocardiogram |
| WANG Yu-yan |
| (Department of Cardiology, Changhai Hospital, Second Military Medical University, Shanghai 200433, China) |
| Abstract: |
| Objective To investigate the effect of the standing position on the amplitudes of QRS waves of 12-lead electrocardiogram (ECG). Methods The ECG was recorded in the supine and standing positions in 60 hospitalized patients or out-patients, and the amplitudes of Q, R, and S waves of all 12 ECG leads were measured and compared between the two positions. Results In inferior leads, the amplitudes of Q waves and R waves in leads Ⅱ, Ⅲ and aVF recorded in standing position were significantly deepened or increased, and S waves in lead Ⅲ recorded in standing position were significantly shallowed compared with those in the supine position(P<0.05). In lateral leads, the amplitudes of Q waves in leads Ⅰ and V5-6, S waves in leads Ⅰ and aVL recorded in the standing positions were significantly shallowed compared with those in the supine positions; R waves in leads Ⅰ and aVL recorded in the standing positions were decreased compared with those in the supine position (P<0.05). In thoracic leads, the amplitudes of R waves in leads V1-4 recorded in the standing position were significantly decreased compared with those in the supine position; the S waves in leads V1-3 waves recorded in the standing position were significantly shallowed compared with that in the supine position(P<0.05); and the R waves of lead aVR recorded in the standing position was significantly increased compared with that in the supine position (P<0.05). Conclusion The amplitudes of QRS waves of ECG are different when recorded in the standing and supine positions. |
| Key words: electrocardiography posture orthostatic position |
