摘要(一)完全性房室传导阻滞是一种严重的心律失常,有时可以突然发病,常危害到病人生命,医务人员应熟识这种疾病的早期症状、体征、心电图表现和抢救措施。(二)应及早发现早期症状,遇有病人头晕或晕厥,乏力、气促和心率慢至每分钟40次以下,尤其是36次以下,应注意心前区有无放炮声心音、收缩期血压增高、舒张期血压降低,脉压差加大、毛细管搏动 Abstract (1) Atrioventricular block is a serious arrhythmia, sometimes sudden onset, often endangering the patient’s life, medical staff should be familiar with the early symptoms of the disease, signs, ECG performance and rescue measures. (B) should be early detection of early symptoms, in case of dizziness or fainting, fatigue, shortness of breath and heart rate slow to 40 times per minute, especially below 36 times, should pay attention to the precordial presence or absence of gunshot sound, systolic blood pressure Increased, diastolic blood pressure, pulse pressure difference increases, capillary beating