A Man with an Insidious, Painful Mononeuropathy

 

Right

Left

μV

m/s

μV

m/s

Sural (calf-ankle)

No response
 
No response
 
Superf. peroneal (calf-ankle)

No response
 
No response
 



Table 17.2
Motor nerve conduction studies













































 
Right
Left

Common Peroneal (SE on EDB)

CMAP (ankle)
No response
No response

Posterior Tibial (SE on AH)

DML
  
8.8 ms

CV (popliteal fossa – ankle)
  
34 m/s

CMAP (ankle)
No response
0.6 mV

CMAP (popliteal fossa)
  
0.5 mV

Minimal F-wave latency
  
Absent

Common Peroneal (SE on EDB)

CMAP (ankle)
No response
No response



Table 17.3
Concentric needle EMG









































 
Spontaneous activity
MUAP configuration
Recruitment
Interference

Fibs/PSW
Other
Dur.
Ampl.
Poly.

Right vastus medialis
0
0
N
N
N
N
Inconsistent.

Right semimembranosus
2+
0
      
No MUAPs under voluntary control

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Aug 15, 2017 | Posted by in NEUROLOGY | Comments Off on A Man with an Insidious, Painful Mononeuropathy

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