Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
39 Cards in this Set
- Front
- Back
|
with some exceptions, all neuropathies are dependent on what?
|
length dependent
|
|
|
most common cause of neuropathy and its pattern?
|
diabetic neuropathy with mixed involvement
|
|
|
second most common cause of neuropathy?
|
hereditary sensory motor defects
|
|
|
most common presentation of hereditary sensory autonomic neuropathy?
|
loss of sensation of pain
|
|
|
acute motor axonal neuropathy?
|
freq. associated with campylobacter jejuni infection, where motor is defect, but sensory is normal
|
|
|
elevated GQ1 antibody indicate?
|
miller fisher variant of AMAN
|
|
|
tx. of choice for acute neuropathies?
|
IV immunoglobulins at the right time; some do worse if administered too early
|
|
|
"double crush"?
|
C6 radiculopathy superimposed over carpal tunnel
|
|
|
most common location of peroneal nerve injury?
|
fibular head, where it is most shallow
|
|
|
meralgia parasthetica?
|
compression of lateral cutaneous nerve of thigh or lateral femoral cutaneous nerve
|
|
|
mononeuropathy multiplex?
|
mononeuropathy in various areas at the same time, mostly seen in diabetics
|
|
|
which protein is defective in muscular dystrophies?
|
dystrophin
|
|
|
disease that affects the flexor muscles more so than the extensor muscles?
|
inclusion body myositis, most often seen in older pop.
|
|
|
facial and shoulder weakness, and waddling gait indicative of?
|
fascioscapulohumeral dystrophy, often associated with cardiac problems as well
|
|
|
hatchet face, level clavicle and axillary folds indicate?
|
myotonic dystrophy
|
|
|
often dx. when pt. has trouble being weaned from the ventilator?
|
acid maltase deficiency
|
|
|
myoglobinuria and cardiomyopathy common manifestations?
|
muscle carnitine deficiency
|
|
|
hypokalemic periodic paralysis often found after? (4)
|
excercise, high carb meal, EtOH, cold exposure
|
|
|
tx. of K related paralysis?
|
diamox
|
|
|
difference between hypo and hyperkalemic periodic paralysis?
|
hyper can have attack after mild excercise
|
|
|
ICU myopathy often associated with what?
|
motor-sensory neuropathy associated
|
|
|
major difference bet. polymyositis and dermatomyositis?
|
derma has rash or color change in skin
|
|
|
EMG findings with myopathies (4)?
|
brief low voltage units, increased recruitment, interference, absent fasciculations
|
|
|
biopsy findings in myopathies? (5)
|
necrosis, fatty change, central nuclei, round cells, ragged red fibers
|
|
|
upper plexus roots called what and contain which roots?
|
C5-C7 called Erb's or Duchenne, arm abducted, int. rotated, and hand in fist
|
|
|
lower plexus roots involve which roots and called what?
|
C8 and T1, Klumpke's; weak flexors
|
|
|
bilateral and recurrent plexitis?
|
parsonage-turner syndrome
|
|
|
nerve and EMG findings in plexopathies?
|
nerve finding are normal for first 14 days, EMG abnormal from beginning
|
|
|
nerve conduction study results in myasthenia gravis?
|
decreasing response (10% or greater), and "jitter" in single fiber EMG
|
|
|
tensilon test?
|
IV edrophonium overcoming weakness in myasthenia gravis
|
|
|
which tumor commonly associated with MG?
|
thymus tumor
|
|
|
meds that slow breakdown of acetylCoA?
|
mestinon or pyridostigmine
|
|
|
best measure of respiration in MG?
|
forced vital capacity; less than one liter indicates ventilator
|
|
|
difference in lambert eaton and MG?
|
absence of bulbar involvement and association with small cell lung ca, also get stronger with excercise
|
|
|
three forms of botulism?
|
food, wound, and infantile
|
|
|
EMG studies on ALS?
|
decreased recruitment and increased motor unit size
|
|
|
only tx. option for ALS?
|
riluzole
|
|
|
difference in primary lateral sclerosis vs. ALS?
|
primary lateral sclerosis in exceptionally slow progression
|
|
|
excessive muscle activity resulting in cramping and stiffness?
|
neuromyotonia
|
