1、急性呼吸道感染急性呼吸道感染新华医院儿内科新华医院儿内科钱钱 继继 红红2007.4.4introduction classification incidence mortalityAnatomical charactersnoseshort, narrowmucosa is tender and softrich in blood vessle nasal obstruction 鼻窦炎鼻窦炎 sinusitis咽鼓管咽鼓管 Eustachian tube :broad, short, horizontal 中耳炎中耳炎otitis mediaAnatomical characters咽咽
2、pharynx: 扁桃体扁桃体 tonsil is mature when 4-10 years oldtonsillitis is few in infantsAnatomical characters喉喉 larynx: narrow, soft and tenderrich in blood vesselObstruction of larynxAnatomical charactersAnatomical characterstrachea and bronchi narrow tender and soft rich in blood vessle right bronchi: sh
3、ortthick Aspiration of foreign bodyAnatomical characterslung: alveoli is little; rich in blood vesslemediastina: big, tissue is rarefaction（ 纵隔）纵隔）thoracic cage: short barrel chest rib horizonal Diaphragma horizonal+ mediastina displacemen anoxia Retention of co2 cyanosisPhysiologic charactersrespiratory rate: the younger, the faster
