The study which has been submitted to the journal The Laryngoscope, will be presented in Scottsdale, Arizona on Friday at the 2013 Combined Sections Meeting of the Triological Society.

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These include a small ultrasound probe that can be used to scan for internal injuries such as fluid in the abdomen or internal bleeding, and a video laryngoscope, which can be used to view and open a patient's airway by inserting a tube a tricky and potentially dangerous procedure.

ECONOMIST: Emergency medicine