有一位年已七旬的老太太因发烧三天住院治疗,在亲属希望用“好药”的要求下,医生未做病原学检查(细菌培养和药敏试验),就用上第三代头孢菌素。不料事与愿违,数日后老太太病情未见好转反而开始腹泻,日约数十次稀水蛋花汤样便,苦不堪言。经医生立即更换窄谱抗生素(万古霉素)、补充液体及纠正电解质等治疗,总算保住了性命。实际上老太太患的是上呼吸道感染,由于使用广谱抗生素,造成菌群失调,肠道正常菌群被杀灭,耐药金 An elderly woman who has already been seventy years old has been hospitalized for three days because of fever. Under the condition that her relatives hope to use “good medicine,” doctors have not used etiological examination (bacterial culture and drug sensitivity test) Mycotoxin. Not things go contrary to expectations, a few days later the old lady did not improve the condition but began to diarrhea, day dozens of times dilute water egg-like soup, miserable. Immediately after the doctor to replace the narrow spectrum antibiotics (vancomycin), to supplement the liquid and correct electrolyte treatment, finally saved their lives. In fact the old lady is suffering from upper respiratory tract infection, due to the use of broad-spectrum antibiotics, causing flora, normal intestinal flora is killed, resistant gold