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低血钾危象是指某种原因的低血钾导致严重的心律失常和循环、呼吸、肾功能衰竭。本院内儿科5年来曾收治低血钾病160例,其中17例确诊为低血钾危象.诊断依据1.有低钾的原因;2.有典型低血钾症状与体征,如肢体无力、麻木、酸痛、对称性软瘫、肌张力减退、腱反射减弱或消失;3血清钾<3mEq/L(mmol/L);2.心电图S—T 段降低,T 波低平或倒(?),出现波,T(?)融合;5.危象症状与体征,如严置心律失常、面色苍白、四肢厥冷、烦燥不安、血压降低、休克、心力衰竭、呼吸节律不整、呼吸困难、口唇紫绀、神志不清、惊厥、抽搐,严重者呼吸心跳骤停.
Hypokalemia crisis refers to some reason hypokalemia lead to serious arrhythmia and circulatory, respiratory, renal failure. Hospital pediatric 5 years have received 160 cases of hypokalemia, of which 17 cases were diagnosed as hypokalemia crisis. Diagnosis is based on a low potassium causes; 2 have a typical hypokalemia symptoms and signs, such as limb weakness, Numbness, soreness, symmetry, paralysis, hypotonia, tendon reflexes diminish or disappear; 3 serum potassium <3mEq / L (mmol / L); 2. electrocardiogram S-T segment decreased, T wave low or flat (? , Appear wave, T (?) Fusion; 5. Crisis symptoms and signs, such as arrhythmia, pale, extremities Jueleng, irritability, blood pressure, shock, heart failure, irregular breathing, breathing difficulties, Cyanosis lips, confusion, convulsions, convulsions, severe respiratory arrest.