Contraindications for hyperbaric oxygen therapy consist of all of the following, except:
a. Pneumothorax c. Upper respiratory infection
b. Obstructive bron-chial diseases d. Skin grafting
ANS: D
If pneumothorax occurs during hyperbaric treatment, chest tubes should be immediately inserted; failure to treat pneumothorax can have dire consequences. Gas-trapping can result in barotraumas for those with obstructive bronchial diseases. Similarly, patients who have upper respiratory in-fections and nasal congestion are usually unable to clear their ears during compression and de-compression and thus are prone to eardrum rupture during treatment.
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