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Hearing is first tested in each ear by whispering something while occluding the opposite ear. Any suspected loss should prompt formal audiologic testing to confirm findings and help differentiate conductive hearing loss from sensorineural hearing loss.
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13 sie 2020 · CN IX and CN X nerves can be assessed together: Ask the patient to cough (assessing CN X) Ask the patient to open the mouth wide and say ‘ah’, using a tongue depressor to visual the palate and posterior pharyngeal wall (assessing CN IX and X)
5 gru 2013 · A simple test would involve blocking the contralateral ear with a finger and whispering numbers in the ipsilateral ear. Numbers such as 68 can be used to test for high tone and 100 for low tone. Whispering should be performed at the end of respiration at distance of 60 cm to standardize the examination.
The glossopharyngeal (CN IX) and vagus nerve (CN X) are commonly assessed together. They primarily innervate the muscles of the tongue and pharynx, the thorax, abdominal viscera, and larynx. No diagnostic accuracy studies are available on these assessments so the clinical value is unknown.
Systemic examination. I – Olfactory. Ask the patient if they have noticed any change in sense of taste/smell. If yes, check the nostrils aren’t blocked and that the patient hasn’t recently had a cold. Small can be formally assessed with smelling bottles (anosmia can be an early sign of Parkinson’s disease)
To test gag reflex as related to CN IX and CN X, use a tongue depressor to tap near the lateral side of the pharynx near the tonsillar pillars or at the lateral posterior side of the soft palate. While doing this, use a penlight to illuminate the inside of the mouth and pharynx. Test on both sides of the mouth. See Video 14.
Testing CN 5 - Trigeminal •Sensory: •Ask pt to close eyes •Touch ea of 3 areas (ophthalmic, maxillary, & mandibular) lightly, noting whether patient detects stimulus. •Motor: •Palpate temporalis & mandibular areas as patient clenches & grinds teeth •Corneal Reflex: •Tease out bit of cotton from q-tip - Sensory CN 5, Motor CN 7
