患者女性,50岁。确诊为充血性心肌病入院。查体:血压15/10kPa,口唇发绀,轻度颈静脉怒张,心界向左下扩大,心率109次/分、律齐,心尖部可闻及舒张期奔马律,肝脾未触及。于入院第3天病人心悸、胸闷症状明显,心电图提示阵发性室上性心动过速。查体:心率170次/分,律齐,给予心律平70mg稀释后静推,约10分钟后病人面色苍白,口唇及指(趾)端发绀,大 Female patient, 50 years old. Confirmed as congestive cardiomyopathy admitted to hospital. Physical examination: blood pressure 15 / 10kPa, cyanotic lips, mild jugular vein engorgement, left heart to expand heart, heart rate 109 beats / min, law Qi, apex can be heard and diastolic gallop, liver and spleen not touched. On the 3rd day of admission, patients had heart palpitations and obvious chest distress symptoms. The ECG showed paroxysmal supraventricular tachycardia. Physical examination: heart rate 170 beats / min, law Qi, given 70mg diluted heart rhythm, static push, about 10 minutes after the patient pale, lips and fingers (toe) end of cyanosis, large