Risk of barotrauma and/or lack of ventilation with ventilatorless anesthesia machines.
D000769:Anesthesia, Inhalation / Q000009:adverse effects* / Q000295:instrumentation*; D001469:Barotrauma / Q000209:etiology*; D003257:Consumer Product Safety; D004868:Equipment Failure; D006282:Health Personnel / Q000193:education; D006801:Humans; D055370:Lung Injury; D012307:Risk Factors; D013352:Subcutaneous Emphysema / Q000209:etiology*