Table 2 Temporal Profile of Right Median and Ulnar CMAP and SNAP Amplitudes
From: P-ANCA vasculitic neuropathy with 12-year latency between onset of neuropathy and systemic symptoms
Nerve | Feb 1994 | March 1996 | March 2000 | May 2001 |
|---|---|---|---|---|
CMAP Amplitudes (mV) | Â | Â | Â | Â |
   Right Median-APB | 7.9 | 6.0 | 2.1 | 0.1 |
   Right Ulnar-ADM | 2.5 | – | 2.0 | Absent |
SNAP Amplitudes (μV) |  |  |  |  |
   Right Median-D2 | 22 | 19 | 15 | 28 |
   Right Ulnar-D5 | 16 | – | 20 | 25 |