例一:1岁,男性。入院前七天出现一日4—5次稀便,口內有白膜,伴有咳嗽嗆奶。在門診注射青霉素治疗,但病情漸加重,并出現音哑及呼吸困难,二天后急症入院。入院时检查,营养不良,音哑,鼻翼搧动,口唇发绀,煩燥不安,呈Ⅲ度一期呼吸困难。胸部及面部有点状皮疹,按之不退。口頰部粘膜有散在白膜,軟腭、扁桃体、腭弓及咽后壁有片状白膜复盖。两肺有湿性囉音。因病情危急,未作胸部透視,乃施行直接喉镜检查:会厌、披裂、两侧梨状凹及会厌披裂縐襞等处組織皆严重坏死,标志不清,声門被坏死組織所梗阻。立即行气管切开术。术后呼吸情 Example 1: 1 year old, male. Appeared seven days before admission 4-5 times loose stools, mouth with a white film, accompanied by coughing choking milk. In the outpatient injection of penicillin treatment, but the condition gradually increased, and the sound dumb and breathing difficulties, two days after emergency admission. Admission examination, malnutrition, dumb sound, nose flap, cyanotic lips, irritability, was grade Ⅲ a degree of dyspnea. Chest and face a bit like a rash, according to no retreat. Buccal mucosa scattered white albuginea, soft palate, tonsil, palatal arch and pharyngeal posterior wall flaky white membrane covered. Both lungs have wet rales. Due to critical condition, not for chest fluoroscopy, is the implementation of direct laryngoscopy: epiglottis, Phosphatidylcholine, both sides of the pimples and epiglottis perforation crepe 襞 other organizations are serious necrosis, signs unclear, the glottis was obstructed by necrotic tissue. Immediate tracheotomy. Breathing after surgery