Unusual presentation of hereditary neuropathy with liability to pressure palsies

Table 3 Sensory, motor nerve conduction studies and late responses (Left)

Nerve	Stimulation site	Record	Amplitude (mV)	DL (msec)	CV (m/sec)
Sensory nerve conduction studies
Median	Wrist/palm	D2	Absent	Absent	-
Ulnar	Wrist	D5	5	5.5	14
Radial	Wrist	D1	4	4.3	14
Sural	Calf	Ankle	16	5.0	14

Motor nerve conduction studies
Ulnar	Wrist	Thenar	4.2	4.7
Ulnar	Wrist	ADM	4.0	5.4
Ulnar	Below Elbow	ADM	4.1	8.2	55
Ulnar	Above Elbow	ADM	4.3	11.5	34
Median	Wrist	APB	5.5	13.6
Median	Elbow	APB	5.5	19.1	44
Tibial	Ankle	AH	15.3	5.5
Tibial	Knee	AH	11.4	14.2	40
Peroneal	Ankle	EDB	4.8	6.5
Peroneal	Below Knee	EDB	4.3	12.3	45
Peroneal	Above Knee	EDB	4.5	14.3	46

Late responses
Tibial H reflex	Knee	Soleus	5	28.5
Tibial F wave	Knee	AH		50