Results The manifestation of hypokalemia in all the patients were characterized by fatigue ( especially in the lower limbs), palpation and chest compression, while paralysis of limbs and the myosalgia were manifested in severe cases. 结果:42例低血钾患者临床表现为乏力(以双下肢为重)、心悸、胸闷,严重低血钾者表现为四肢软瘫及肌肉酸痛。