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Posterior pharyngeal cavity of the nasal cavity can be examined by this method

Updated: Sunday, Jul 25,2010, 4:11:33 PM
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Posterior pharyngeal cavity of the nasal cavity can be examined by this method. The examinee bends his head slightly forwards, opens his mouth, relaxes the pharyngeal cavity completely and breathes through the nose.

Place the posterior rhinoscope over an alcohol lamp to be heated. This can prevent the vapour breathed out by the examinee from coagulating on the rhinoscope surface. Before stretching the posterior rhinoscope into the oral cavity, feel the rhinoscope with the back of the hand to see if the temperature is proper or not. This can prevent pharyngeal part from being scalded if the back of the rhinoscope is too hot.

The examiner holds the spatula with the left hand, presses 2/3 of posterior dorsum of tongue towards the anteroinferior direction, holds the posterior rhinoscope with the right hand to place it into the soft palate between the uvula and the retropharyngeal wall, with the rhinoscope surface facing upperwards. Take care not to make the rhinoscope in touch with the retropharyngeal wall or the soft palate. This can prevent nauseous reflex (In case of reflex allergy in the examinee, the examiner may spray 1% dicaine or 4% cocaine to anesthetize the pharyngeal part). When turning the rhinoscope surface around, the examiner can see the top of the nasopharyngeal cavity, tubal prominence and opening, pharyngeal recess, posterior margin of the nasal septum, posterior end of each concha. Take care to see whether there exist inflammation, pus, tumour, etc. or not.

Tags: Posterior rhinoscopy

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