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Table 1 Sensory, motor nerve conduction studies and late responses (Right)

From: Unusual presentation of hereditary neuropathy with liability to pressure palsies

Nerve

Stimulation Site

Record

Amplitude (mV)

DL (msec)

CV (m/sec)

Sensory nerve conduction studies

Median

Wrist/midpalm

D2

Absent

Absent

-

Ulnar

Wrist

D5

Absent

Absent

-

Sural

Calf

Ankle

18

4.1

14

Motor nerve conduction studies

Ulnar

Wrist

Thenar

1.1

4.5

 

Ulnar

Wrist

ADM

3.5

5.0

 

Ulnar

Below Elbow

ADM

3.5

8.0

51

Ulnar

Above Elbow

ADM

3.5

10.3

53

Ulnar

Wrist

FDI

2.3

6.1

 

Ulnar

Below Elbow

FDI

1.8

9.2

41

Ulnar

Above Elbow

FDI

1.7

12.1

48

Ulnar

Wrist

Interosseous

0.3

7.0

 

Median

Wrist

Lumbrical

0.4

13.9

 

Median

Wrist

APB

4

14.1

 

Median

Elbow

APB

4

18.9

46

Tibial

Ankle

AH

14

5.7

 

Tibial

Knee

AH

10

13.4

46

Peroneal

Ankle

EDB

5.9

6.3

 

Peroneal

Below knee

EDB

5.5

12.5

43

Peroneal

Above knee

EDB

5.4

14.2

54

Late responses

Ulnar F wave

Wrist

ADM

 

34.3

 

Tibial F-wave

Ankle

AH

 

51.7

 

Peroneal F-wave

Ankle

EDB

 

49.7

 

Tibial H reflex

Knee

Soleus

4

28.6

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