title: Airway obstruction.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D000553:Ambulatory Care; D000628:Aminophylline / Q000627:therapeutic use; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001249:Asthma / Q000150:complications; D001986:Bronchial Spasm / Q000188:drug therapy / Q000209:etiology; D001991:Bronchitis / Q000150:complications; D002245:Carbon Dioxide / Q000097:blood; D004837:Epinephrine / Q000627:therapeutic use; D006801:Humans; D000860:Hypoxia / Q000209:etiology / Q000628:therapy; D010100:Oxygen / Q000097:blood; D010102:Oxygen Inhalation Therapy; D011014:Pneumonia / Q000188:drug therapy / Q000209:etiology; D011656:Pulmonary Emphysema / Q000150:complications; D011660:Pulmonary Heart Disease / Q000209:etiology; D012121:Respiration, Artificial; D012140:Respiratory Tract Diseases / Q000209:etiology / Q000628:therapy; D012122:Ventilators, Mechanical
chemical_list: D000305:Adrenal Cortex Hormones; D000900:Anti-Bacterial Agents; D002245:Carbon Dioxide; D000628:Aminophylline; D010100:Oxygen; D004837:Epinephrine