作者报告 2例宽 QRS心动过速伴高钾血症者并用治疗剂量利多卡因诱发心脏传导障碍。例 1:男性 ,5 7岁 ,有哮喘和前列腺癌史。乘飞机到 ED出现气短。体检 :血压 (BP) 180 / 10 0 mm Hg(1mm Hg=0 .1333k Pa) ,脉博 (P) 12 0 / min,呼吸 (R) 32 / min;建立静脉通道 ;面罩吸氧 ;ECG The authors report 2 patients with wide QRS tachycardia with hyperkalemia and treated with lidocaine at a therapeutic dose to induce cardiac conduction disturbances. Example 1: Male, 57 years old with history of asthma and prostate cancer. Take a flight to the ED appeared shortness of breath. Physical examination: blood pressure (BP) 180/1000 mm Hg (1 mm Hg = 0.1333 kPa), pulse P (12) / min, respiration (R) 32 / min; establishment of venous access;