低血钠可引起与高血钾相似的心电图改变和心律失常。本文报告1例严重低钠血症所致心脏传导阻滞病例。女,32岁,因反复下肢水肿12年,两侧胸痛伴气急1周于1984年4月23日入院。既往无特殊病史。体查:血压140/90,贫血貌,两颊与额部可见散在暗红色斑丘疹。两肺下部叩浊、呼吸音减低,左肺可闻少许湿鸣。心界不 Hypoglycemia can cause similar electrocardiographic changes and arrhythmias as hyperkalemia. This article reports 1 case of severe hyponatremia caused by heart block cases. Female, 32 years old, 12 years due to repeated lower extremity edema, chest pain on both sides with acute 1 week on April 23, 1984 admission. No special medical history. Physical examination: blood pressure 140/90, anemia appearance, visible cheeks and forehead scattered dark red rash. Pulmonary hypoglycemic lower lungs, lower respiratory sounds, the left lung can smell a little wet mute. Heart is not