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Neurological Assessment
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History Headache Head injury Dizziness/Vertigo Seizures Tremors
Weakness Incoordination
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History Cont Numbness or tingling Difficulty Swallowing
Difficulty Speaking Environmental/occupational hazards Past Medical History Social History: smoking, drugs, alcohol Medications
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Physical Exam Mental Status, Pyschiatric Cranial Nerves Sensory exam
Motor exam
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Mental Status Level of Consciousness Speech Orientation
Knowledge of Current events Judgment Abstraction Vocabulary Emotional responses Memory Calculation ability Object recognition Praxis
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Facing Cranial Nerve Assessment, Barbara Bolek, American Nurse Today, November 2006
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Cranial Nerves 1. Olfactory – have patient identify smell
2. Optic – Eye chart, visual fields 3,4,6. Oculomotor, Trochlear, Abducens – PERRLA, positions of gaze, nystagmus 5. Trigeminal Nerve: chewing muscles, facial sensation, corneal reflex 7. Facial nerve: smile, frown, close eyes, puff cheeks
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Cranial Nerves 8. Test hearing, Weber, Rinne tests
9, 10. Glossopharyngeal and Vagus Nerves – Soft palate and uvula movement; gag reflex 11. Spinal Accessory Nerve: head movement; shrug shoulders 12. Hypoglossal – Tongue movement; “light, tight, dynamite”
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Sensation Eyes closed Avoid leading questions
In general, if distal is intact, proximal will also be intact Spinothalamic tract Pain: sharp or dull Temperature Light touch
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Sensation Posterior Column Tract
Vibration sense- tuning fork to bony prominence Position- grasp toe or finger and move it up/down or side/side Tactile discrimination- fine touch Stereognosis- place object in hand to identify (coin or paperclip) Graphesthesia- trace a letter or number on palm to identify Two point discrimination Point location
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Motor Muscle Cerebellar Size Strength Tone Involuntary Movement
Balance: Gait, Tandem walking Romberg test- have pt stand feet together arms at side eyes closed
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Motor Cerebellar Coordination Rapid alternating movement
Knee slapping Finger to thumb Finger to finger Finger to nose Heel to shin
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DTRs
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Biceps – C5 The biceps reflex is elicited by placing your thumb on the biceps tendon and striking your thumb with the reflex hammer and observing the arm movement.
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Brachioradialis – C6 The brachioradialis reflex is observed by striking the brachioradialis tendon directly with the hammer when the patient's arm is resting. Strike the tendon roughly 3 inches above the wrist. Note the reflex supination. Repeat and compare to the other arm.
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Triceps – C7, 8 The triceps reflex is measured by striking the triceps tendon directly with the hammer while holding the patient's arm with your other hand.
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Patellar – L3,4 With the lower leg hanging freely off the edge of the bench, the knee jerk is tested by striking the quadriceps tendon directly with the reflex hammer.
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Achilles – S1,2 The ankle reflex is elicited by holding the relaxed foot with one hand and striking the Achilles tendon with the hammer and noting plantar flexion.
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Babinski Reflex The plantar reflex (Babinski) is tested by coarsely running a key or the end of the reflex hammer up the lateral aspect of the foot from heel to big toe. The normal reflex is toe flexion. If the toes extend and separate, this is an abnormal finding called a positive Babinski's sign.
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Reflexes Deep Tendon Reflexes
Biceps, triceps, brachioradialis, patellar, achilles Superficial Reflexes Epigastric, abdominal, cremasteric, gluteal, plantal, bulbocavernous, superficial anal Brain Stem Reflexes Pupillary reaction, corneal, oculocephalic, oculovestibular, gag Pathological Reflexes Babinski, grasp
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DTR Reflex Scale 0 : absent reflex
1+: trace, or seen only with reinforcement 2+: normal 3+: brisk 4+: nonsustained clonus (i.e., repetitive vibratory movements) 5+: sustained clonus
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Glasgow Coma Scale
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Summary Neurological assessment includes: Mental status
Cognitive assessment Cranial nerves Motor Functions & Muscle tone Sensory Function Cerebellar Function DTR & superficial cutaneous reflexes
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