Cranial nerve function
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1. The cranial nerve function document describes tests for each of the 12 cranial nerves and potential deviations from normal function. 2. It examines sensory functions like smell, vision, hearing and taste as well as motor functions like eye and facial movements, swallowing, and tongue movement. 3. For each nerve, it lists physical exam findings that demonstrate normal function and potential deviations that indicate abnormal function.
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Cranial nerve examination
This document provides an overview of the 12 cranial nerves, including their functions, methods of testing, and common causes of lesions. It discusses each cranial nerve individually, describing the purpose of testing, functional components, and how to examine sensory and motor functions. The cranial nerves control important functions like smell, vision, eye movement, facial expression, hearing, taste, swallowing and neck movement. Testing of the cranial nerves provides insight into neurological impairments localized to specific brain regions or cranial nerves.
Cranial nerve examination
The document provides information on examining the 12 cranial nerves. It describes testing various functions for each nerve including smell, vision, eye movements, facial sensation and movement, hearing, taste, swallowing and neck movement. Examinations include identifying smells and visual acuity, checking eye movements, testing facial muscle strength and sensation.
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Visual Field Examination
- Visual field examination tests the peripheral sensitivity of the retina and visual pathways. It is important for assessing topographic sensitivity and detecting visual field defects.
- Automated perimetry provides standardized, quantitative tests to measure threshold sensitivity across the visual field. It allows for reliable long-term monitoring to detect glaucomatous progression.
- Interpretation of visual field tests involves analyzing parameters like total deviation plots, pattern deviation plots, and global indices to identify patterns indicative of glaucoma according to established criteria. Clinical correlation with optic nerve examination is also important.
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- 60 year old male presented with a 1 month history of epigastric pain that worsened and was accompanied by nausea, vomiting and weight loss. Physical exam revealed abdominal tenderness localized to the epigastric area.
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- The patient was diagnosed with bleeding peptic ulcer disease likely caused by H. pylori infection given his history of smoking and alcohol use.
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Cranial nerve examination
This document provides an overview of the 12 cranial nerves, including their functions, methods of testing, and common causes of lesions. It discusses each cranial nerve individually, describing the purpose of testing, functional components, and how to examine sensory and motor functions. The cranial nerves control important functions like smell, vision, eye movement, facial expression, hearing, taste, swallowing and neck movement. Testing of the cranial nerves provides insight into neurological impairments localized to specific brain regions or cranial nerves.
Cranial nerve examination
The document provides information on examining the 12 cranial nerves. It describes testing various functions for each nerve including smell, vision, eye movements, facial sensation and movement, hearing, taste, swallowing and neck movement. Examinations include identifying smells and visual acuity, checking eye movements, testing facial muscle strength and sensation.
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Visual Field Examination
- Visual field examination tests the peripheral sensitivity of the retina and visual pathways. It is important for assessing topographic sensitivity and detecting visual field defects.
- Automated perimetry provides standardized, quantitative tests to measure threshold sensitivity across the visual field. It allows for reliable long-term monitoring to detect glaucomatous progression.
- Interpretation of visual field tests involves analyzing parameters like total deviation plots, pattern deviation plots, and global indices to identify patterns indicative of glaucoma according to established criteria. Clinical correlation with optic nerve examination is also important.
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This document provides information about Baymax, who introduces himself as a personal healthcare provider. It then provides details on performing a physical exam, including preparing for the exam, establishing rapport with the patient, ensuring privacy and comfort, and explaining findings. Common symptoms that may warrant examination are listed. The physical exam components covered include vital signs, skin, head, eyes, ears, nose, mouth, neck, lungs, heart, abdomen, back, extremities, neurologic exam and mental status exam.
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cranial nerve assesment with all the tests
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ooottafvgvah
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ooottafvgvah
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Medical Quiz ( Online Quiz for API Meet 2024 ).pdf
Cranial nerve function
- 1. CRANIAL NERVE FUNCTION <br />1. Olfactory (CN I) <br />Can identify variety of smells <br />Deviation: Inability to identify aroma <br />2. Optic (CN II) <br />Has visual acuity and full visual fields <br />Fundoscopic exam reveals no pathology <br />Deviation: Inability to identify full visual fields - total or partial blindness of one or both eyes <br />3, 4, 6. Oculomotor (CN III), trochlear (CN IV), and abducens (CN VI) <br />Follows up to six cardinal positions of gaze <br />Pupils are unremarkable <br />Exhibits no nystagmus and no ptosis <br />Deviation: one or both eyes will deviate from its normal position <br />5. Trigeminal (CN V) <br />Clenches teeth with firm bilateral pressure <br />Has no lateral jaw deviation with mouth open <br />Feels a cotton wisp touched to forehead, cheek and chin <br />Differentiates sharp and dull sensations on face <br />Corneal reflex; blinks when cotton is touched to each cornea <br />Deviation: Absent or one-sided blinking of eyelids <br />7. Facial (CN VII) <br />Has facial symmetry with and without a smile <br />Can raise the eyebrows symmetrically and grimace <br />Can shut eyes tightly <br />Can identify sweet, sour, salt or bitter on the anterior tongue <br />Deviation: Irregular and unequal facial movements <br />Deviation: Inability to taste or identify taste <br />Deviation: Inability to taste or identify salt, sweet, sour, or bitter substances on the anterior two-thirds of the tongue <br />Deviation: Inability to smile symmetrically <br />8. Acoustic (CN VIII) <br />Can hear a whisper at 1-2 feet <br />Can hear a watch tick at 1-2 feet <br />Does not lateralize the Weber test <br />Can hear AC (air conduction) better than BC (bone conduction) in the Rinne test <br />Deviation: Inability to hear spoken word <br />9, 10. Glossopharyngeal (CN IX) and Vagus (CN X) <br />Swallows and speaks without hoarseness <br />Palate and uvula rise symmetrically when patient says quot; ahquot; <br />Bilateral gag reflex <br />Can identify taste on the posterior tongue <br />Deviation: Unequal or absent rise of uvula and soft palate as the client says, quot; ahquot; <br />Deviation: Absent gag reflex <br />Deviation: inability to taste or identify taste on the posterior tongue <br />11. Spinal accessory (CN XI) <br />Resists head turning <br />Can shrug against resistance <br />Deviation: Weak or absent shoulder and neck movement <br />12. Hypoglossal (CN XII) <br />Can stick tongue out and move it from side to side <br />Can push tongue strongly against resistance <br />Deviation: Tongue deviates to side <br />