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目的 探讨由心电图伪差所导致误诊病例发生原因。方法对18例根据心电图诊断为室性心动过速/心室颤动(7例)、心房扑动(2例)、病窦综合征(7例)和二度二型房室阻滞(2例)的患者,结合其异常心电图发生时的症状对心电图进行分析。结果 2例患者有眩晕或近似晕厥病史,所有患者在记录到心电图伪差时均无异常临床表现。9例患者的心电图伪差分别由上肢体运动、刷牙、电磁理疗、叩击心电holter记录仪、肢体震颤所致。9例伪差为心电记录仪功能不良所致。结论对于伴有或不伴有症状的室性心动过速/心室颤动和其他异常心律的心电图,应仔细分析心电图并排除伪差以避免误诊。
Objective To investigate the causes of misdiagnosis caused by electrocardiogram artifact. Methods 18 cases were diagnosed as ventricular tachycardia / ventricular fibrillation (7 cases), atrial flutter (2 cases), sick sinus syndrome (7 cases) and second degree type 2 Of patients, combined with their abnormal ECG symptoms when the ECG analysis. Results Two patients had a history of dizziness or syncope. All patients had no abnormal clinical manifestations when they recorded electrocardiogram artifacts. Electrocardiogram artifacts in 9 patients were caused by upper extremity movement, brushing, electromagnetic therapy, percussion ECG holter recorder, limb tremor. Nine cases of artifacts due to poor ECG recorder. Conclusion ECG with or without symptoms of ventricular tachyarrhythmia / ventricular fibrillation and other abnormal heart rhythm, electrocardiogram should be carefully analyzed and eliminate artifacts to avoid misdiagnosis.