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Pretreatment with dexmedetomidine is not effective in reducing injection pain of propofol, but may attenuate the hand withdrawal associated to rocuronium, as lidocaine does.

Tracheal diverticulum is a rarely encountered entity which is frequently an incidental finding in the postmortem examination, reported in 1% of patients in an autopsy series. Most cases are asymptomatic, but when symptoms are present they usually have airway symptoms with cough or recurrent respiratory infection. We herein report a case of a tracheal diverticulum, which had cervical dysphagia and sensation of friction.

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