MS Neuro Flashcards
What Cranial Nerve is affected in Trigeminal Neuralgia?
CN V
DOC for Trigeminal Neuralgia
Carbamazepine (Tegretol)
An anticonvulsant drug; used for analgesic effect for neuropathic pain by calming down the nerves
TSL of Carbamazepine (Tegretol)
5-12 mcg/mL
_________ pain indicates nerve damage
Neuropathic
Adverse Effect of Carbamazepine (Tegretol)
Agranulocytosis
WOF: Infection
Monitor: CBC
Surgery for Trigeminal Neuralgia
Retrogasserian Rhizotomy
- killing nerve fibers responsible for pain signals
2nd Option: Microvascular Decompression
- relocation of cerebral artery that compresses trigeminal nerve
Alternative Medications for Trigeminal Neuralgia
⭐ Baclofen (Lioresal)
Others: Gabapentin (anticonvulsant), Duloxetine (SNRI = antidepressant and for neuropathic pain), Lamotrigine
Alternative medication for Trigeminal Neuralgia which hits two birds in one stone (an antidepressant and for neuropathic pain)
Duloxetine (SNRI)
⭐ Temporary unilateral facial paralysis ⭐ affecting CNS ___ exhibited by exacerbations and remissions
Bell’s Palsy; VII
Gradual improvement in Bell’s Palsy occurs in how many weeks?
3-5 weeks
Full recovery usually takes up to in Bell’s Palsy?
3-6 months
Treatment in Bell’s Palsy should be initiated ____ hours of symptom onset
72 hours
⭐ In Bell’s Palsy, viral infection confuses immune system, thus triggering autoimmune. Give the 4 causative factors:
- Herpes Simplex (STD)
- Herpes Zoster (Shingles)
- Epstein-Barr Virus (Mononucleosis; Kissing Virus)
- Cytomegalovirus
⭐ It is characterized by a facial droop / sag / wrinkling / flaccid
Bell’s Palsy
Steroids for Bell’s Palsy
Prednisone (Strongest)
⭐ Vitamin B complex (B1, B6, B12) is a management for Bell’s Palsy. Enumerate all B complex
- B1 (Thiamine)
- B2 (Riboflavin)
- B3 (Niacin)
- B5 (Panthothenic Acid)
- B6 (Pyridoxine)
- B7 (Biotin)
- B9 (Folic Acid)
- B12 (Cyanocobalamin)
TIP: Ta Ra Na Pa Py BFC
In Bell’s Palsy, when should you wear eye patch and protective glasses (sunglasses, goggles)
AM - Protective Glasses
PM - Eye Patch
What kind of stimulation is done in Bell’s Palsy?
Electrical Stimulation; this wakes up the sleeping or paralyzed muscles which speeds up recovery
Other: Moist Heat & Gentle Massage
⭐ Earliest Sign of Myasthenia Gravis
Ptosis
- Descending manifestations
A neuromuscular condition affecting myoneural junction leading to generalized muscle weakness or voluntary muscle problem
Myasthenia Gravis
⭐ Primary cause of Myasthenia Gravis
Autoimmune
d/t damaged acetylcholine receptor sites
⭐ Diagnostic Test for Myasthenia Gravis
Tensilon Test
This is given for myasthenic crisis for stablization or to rule out cholinergic crisis
IV Edrophonium
What does a relief of symptoms within 5-10 minutes after administration of Edrophonium mean?
(+) Myasthenia Gravis
Ice Test is a localized test for muscles in myasthenia gravis. Cold temperature is placed on an affected area for how many seconds or minutes?
60 seconds / 1 minute
Immunosuppressants for Myasthenia Gravis
Methotrexate & Azathioprine
Anticholinesterase or Long-Acting Cholinergic Drug (Maintenance Use) for Myasthenia Gravis
Pyridostigmine & Neostigmine
Tip: -stigmine
EXCEPT EDROPHONIUM because it is SHORT-ACTING
Best Time to Administer Anticholinesterase
AM, Before Meals (ADLs and prevention of dysphagia)
Initial sign that the drug is effective in Myasthenia Gravis
Increased strength in chewing and swallowing
Type of Crisis in Myasthenia Gravis caused by undermedication
Myasthenic Crisis
Type of Crisis in Myasthenia Gravis caused by overmedication
Cholinergic Crisis
Drug used for Myasthenic Crisis
Tensilon
Drug used for Cholinergic Crisis
Atropine (Fast-Acting Anticholinergic)
⭐ Always prepare this at the bedside of those with Myasthenia Gravis
Tracheostomy Set, Bag-Valve Mask, Endotracheal Tube
Dialysis of plasma wherein the antibodies are targeted
Plasmapheresis
⭐ Surgery for Myasthenia Gravis
Thymectomy (responsible for production of WBC)
Other Term for Gullain-Barre Syndrome
Acute Idiopathic Polyneuritis
⭐ A condition characterized by a temporary shutdown of motor and sensory nerves causing a temporary body paralysis
Gullain-Barre Syndrome
⭐ A person has ascending paralysis. What is the supporting history for diagnosis of GBS?
Recent history of viral or GI infection
⭐ The only bacteria causing GBS which causes gastroenteritis, an inflammation of stomach and intestines causing upper and lower GI symptoms
Campylobacter jejuni
⭐ This is characterized by paresthesia (pins & needles)
Gullain-Barre Syndrome
A permanent, irreversible condition exhibited by exacerbations and remissions characterized by a progressive, demyelination of CNS leading to infalmmation of myelin sheath
Multiple Sclerosis
Triad that confirms multiple sclerosis
Charcot’s Triad
- Stacatto
- Intentional Tremors
- Nystagmus
Electrical shock sensation along the spine and the arms upon neck flexion in people affected by Multiple Sclerosis
Lhermitte’s Sign (Barber Shock Phenomenon)
Worsening s/sx of MS when the person is exposed to hot temperatures
Uhthoff’s Phenomenon
⭐ Diagnostic Test for Multiple Sclerosis
Electroencephalogram (EEG)
Electrodes are attached in the head to assess brain waves or activity
Lumbar puncture shows ______ gamma globulin levels and a ______ serum globulin
Choices: Decreased, Normal, Increased
increased, decreased
Rationale: Inflammation is in the brain, not in the blood
⭐ DOC for Multiple Sclerosis
Interferons
TIP: INTERFERes progression of MS
Interferons for Multiple Sclerosis
- Avonex
- Betaseron
- Copaxone ⭐
Interferons for Multiple Sclerosis are best taken on?
Morning to perform ADLs
When administering interferons for multiple sclerosis, what should you watch out for?
Flu-Like Symptoms