title: THE IMPORTANCE OF FREQUENTLY REPEATED ARTERIAL BLOOD GAS STUDIES IN SEVERE CHRONIC BRONCHITIS: REPORT OF A CASE.
mesh_terms: D000138:Acidosis; D001249:Asthma; D001784:Blood Gas Analysis; D001991:Bronchitis; D029481:Bronchitis, Chronic; D002245:Carbon Dioxide; D003937:Diagnosis, Differential; D004646:Emphysema; D005853:Geriatrics; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010102:Oxygen Inhalation Therapy; D011656:Pulmonary Emphysema; D012131:Respiratory Insufficiency; D014140:Tracheotomy
chemical_list: D002245:Carbon Dioxide
keywords: ACIDOSIS; ASTHMA; BLOOD GAS ANALYSIS; BRONCHITIS; CARBON DIOXIDE; DIAGNOSIS, DIFFERENTIAL; EMPHYSEMA; GERIATRICS; HYDROGEN-ION CONCENTRATION; OXYGEN INHALATION THERAPY; RESPIRATORY INSUFFICIENCY; TRACHEOTOMY