患者,男,10岁。误吸一针头后咳喘、喉痛1h,于2004年4月6日19时入院。体检:患者精神紧张,声音嘶哑,呼吸稍促,口唇无紫绀,咽部黏膜不充血。颈部皮肤无红肿及皮下气肿,三凹征(-)。两肺呼吸音正常。心律规整,心音有力。间接喉镜下检查:会厌无红肿,会厌喉面下方有一灰白色异物,看不 Patient, male, 10 years old. Aspiration after a needle cough and asthma, sore throat 1h, at 19:00 on April 6, 2004 admitted. Physical examination: patients with mental stress, hoarse voice, breathing a little urgency, no cyanotic lips, throat mucosa is not congestive. No skin neck swelling and subcutaneous emphysema, three concave signs (-). Breath sounds normal both lungs. Heart rhythm, strong heart sounds. Indirect laryngoscopy check: epiglottis without swelling, epiglottis throat below an off-white foreign body, do not see