Demand valve improperly set resulting in pulmonary barotrauma.
D000328:Adult; D000402:Airway Obstruction / Q000209:etiology*; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation / Q000009:adverse effects* / Q000295:instrumentation; D011175:Positive-Pressure Respiration / Q000009:adverse effects*; D012129:Respiratory Function Tests