Neuro Flashcards
Kernig’s sign
Like the patient’s hips one at a time then attempt to straighten the leg while keeping the hip flexed at 90°.
Positive if: There is a resistance to leg straightening because of painful hamstring due to inflammation of the lumbar nerve root and or patient complains of back pain.
Brudzinski sign
Passively Flex/bend the patient’s neck towards the chest.
Positive; if patient reflexively flexes the hips and knees to relieve pressure and pain. Due to the inflammation of the lumbar nerve roots.
CN
CN I: olfactory CN II: optic CN III: oculomotor CN IV: trochlear CN V: trigeminal CN VI: abducens CN VII: facial CN VIII: Acoustic CN IX: glossopharyngeal CN X: vagus CN XI: spinal accessory CN XII: hypoglossal
Bacterial meningitis
Acute onset of high fever severe headache stiff neck and rapid change in mental status and level of consciousness.
Labs
Lumbar puncture: CSF containing large number of WBCs. Definitive diagnosis made by bacteria isolated from CSF with presence of elevated protein and low glucose levels in CSF.
CBC with neutrophilia and left shift
Treatment: IV third gen cephalosporins
Send to ER
Abortive migraine medication
NSAIDS
triptans - avoid in heart disease
Ergotamine - avoid in heart disease
Antiemetics
Prophylactic treatment for migraine
Beta blockers; propanolol daily or b.i.d. It’s also safe with pregnancy
Tricyclics antidepressant (TCA) remember: over dose potential - amitriptyline
Anti epileptics; topamax BID- requires titration to max dose 100mg/day. Do not take with BC of kidney stones
Temporal arthritis (giant cells arteritis)
Unilateral headache but it’s located on the temple and is associated with temporal artery inflammation. A systematic inflammatory disorder or vasculitis of the medium and large arteries of the body. Visual loss is not uncommon and will occur in 20% of patients may be unilateral
Temple may be pulseless due to inflammation
Check ESR and CRP
Temporal artery biopsy definitive
- send to ER
Polymyalgia rheumatica (PMR)
Bilateral joint stiffness and aching located in the shoulders neck and hips and torso. May have difficulty putting on clothes, bra having difficulty getting out of bed or out of a chair.
Check ESR and CRP
Treat with long term steroid treatment.
High risk of developing GCA
Tinel’s sign
Tap anterior wrist briskly.
Positive finding: pins and needles sensation of the median nerve over the hand after lightly percussing the wrist.
Test for carpel tunnel
Phalen’s sign
Engage in full flexion of rest for 60 seconds
Positive findings: tingling sensation of the median nerve over the edge and evoked by passive flexion of the rest for one minute
Top aspect of hands are pushed together, palms away from each other