1. Peripheral jnerve
jinjury
jclassifica- jtion
2. What's jthe
mono j= jone
jdifference
jP.nerve jpoly j=
jbetween
jmany jP.nerve
jmononeu-
jropathies jand
jpolyneu-
jropathies?
jHow jdo jthese
jtake jplace?
3. Clinical jfeatures
jof jmononeu-
jropathies?
Isolated jweakness jproportional jto jmotor
j neurons jsensory jloss jconsistent jwith jnerve
4. Clinical j fea-
field jdistal jto jlesion
j
jtures jof
jpolyneu-
jropathies?
widspread jweakness, jdistal j->
proximal jsensory jloss jdistal j(feet
j
5. General jclinical
jfeatures jof jPe- then jhands)
j
jripheral jnerve
jin- jjuries?
also:
-weakness jin jgeneral jand jsensory jloss
-involuntary jactivation j(fibrillation jpotential,
jfascicula- jtions)
-abnormal jsensations j(numbness, jtingling,
jprickling, jpins/needles)
-pain: jcausalgia j(burning, jintractable, jprimarily
1 j/
,j distal), projected jor jreferred
j
2 j/
,6. What jis jthe jgold EMG/NCS
jstandard jfor jdi-
jagnosing jPN
jin- jjuries?
7. Etiology jof jprona- Median jnerve
jtor jteres jsyn-
jmononeuropat
jdrome? jWhat
hy
jnerve jis jcom-
jpressed jhere?
•Pierces j2 jheads jof jpronator jteres j(83%)
• Trauma, jfracture, jmuscle jhypertrophy,
jfibrotic jband j(nerve jentrapment), jbicepital
japoneurosus
8. Clinical jfeatures can jbe jirritated jw/repetitive juse
jof jpronator
jteres
•Pain j& jTenderness jto jpalpation jover jPT, j‘ing jw/
jsyndrome?
jactivity
•Sensory jchanges jthenar jeminence, jD1-3 jand
jpossibly jD4.
•Motor jinvolvement: jFPL, jFDP jI/II, jPQ, jAPB, jOP,
j1/2 jFPB; jPT jmay jbe jspared j( jSparing jof jFCR, jPL
jand jFDS)
• (+) jPronator jTeres jSyndrome jTest j- jrepeated
jstress jinto jpronation jwhile jelbow jis jflexed
•(+) jTinel's jin jforearm j- jwhere jmedian
9. Etiology jof jante-
jnerve jdives jthrough jthe jpronator
jrior jinterosseous
•(-) jPhalen's j(compression jmedian jnerve jat jwrist)
jsyndrome? jwhat
jnerve jdoes jit
Median jnerve
jcom- jpress?
jmononeuropat
hy
•Elbow jDislocation
•Fibrotic jbands
10.10.
3 j/
, 4 j/
jinjury
jclassifica- jtion
2. What's jthe
mono j= jone
jdifference
jP.nerve jpoly j=
jbetween
jmany jP.nerve
jmononeu-
jropathies jand
jpolyneu-
jropathies?
jHow jdo jthese
jtake jplace?
3. Clinical jfeatures
jof jmononeu-
jropathies?
Isolated jweakness jproportional jto jmotor
j neurons jsensory jloss jconsistent jwith jnerve
4. Clinical j fea-
field jdistal jto jlesion
j
jtures jof
jpolyneu-
jropathies?
widspread jweakness, jdistal j->
proximal jsensory jloss jdistal j(feet
j
5. General jclinical
jfeatures jof jPe- then jhands)
j
jripheral jnerve
jin- jjuries?
also:
-weakness jin jgeneral jand jsensory jloss
-involuntary jactivation j(fibrillation jpotential,
jfascicula- jtions)
-abnormal jsensations j(numbness, jtingling,
jprickling, jpins/needles)
-pain: jcausalgia j(burning, jintractable, jprimarily
1 j/
,j distal), projected jor jreferred
j
2 j/
,6. What jis jthe jgold EMG/NCS
jstandard jfor jdi-
jagnosing jPN
jin- jjuries?
7. Etiology jof jprona- Median jnerve
jtor jteres jsyn-
jmononeuropat
jdrome? jWhat
hy
jnerve jis jcom-
jpressed jhere?
•Pierces j2 jheads jof jpronator jteres j(83%)
• Trauma, jfracture, jmuscle jhypertrophy,
jfibrotic jband j(nerve jentrapment), jbicepital
japoneurosus
8. Clinical jfeatures can jbe jirritated jw/repetitive juse
jof jpronator
jteres
•Pain j& jTenderness jto jpalpation jover jPT, j‘ing jw/
jsyndrome?
jactivity
•Sensory jchanges jthenar jeminence, jD1-3 jand
jpossibly jD4.
•Motor jinvolvement: jFPL, jFDP jI/II, jPQ, jAPB, jOP,
j1/2 jFPB; jPT jmay jbe jspared j( jSparing jof jFCR, jPL
jand jFDS)
• (+) jPronator jTeres jSyndrome jTest j- jrepeated
jstress jinto jpronation jwhile jelbow jis jflexed
•(+) jTinel's jin jforearm j- jwhere jmedian
9. Etiology jof jante-
jnerve jdives jthrough jthe jpronator
jrior jinterosseous
•(-) jPhalen's j(compression jmedian jnerve jat jwrist)
jsyndrome? jwhat
jnerve jdoes jit
Median jnerve
jcom- jpress?
jmononeuropat
hy
•Elbow jDislocation
•Fibrotic jbands
10.10.
3 j/
, 4 j/
