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Table 3 Nerve conduction studies of patients with segmental zoster paresis

From: A retrospective case series of segmental zoster paresis of limbs: clinical, electrophysiological and imaging characteristics

  P1 P2 P3 P4 P5 P6 P7 P8
CMAP of nerves (mV)
 Axillary 12.1(53%↓) 3.5(77%↓)   normal 4.4(51%↓)   normal 6.4(66%↓)
 Suprascapular   1.7(84%↓)       3.3(76%↓)
 Musculocutaneous 7.3(61%↓) 4.5(52%↓)   normal 3.6(62%↓)   normal normal
 Median normal normal   6.2(51%↓) 1.4(83%↓)   normal normal
 Ulnar normal normal   5.3(53%↓) normal   normal normal
 Radial normal normal   5.2(55%↓) normal   4.1(63%↓) normal
 Peroneal    NR    0.7(75%↓)   
 Tibial    3.0(79%↓)    normal   
SNAP of nerves (μV)
 Median normal NR   normal NR   2.3(77%↓) normal
 Ulnar normal normal   2.8(60%↓) normal   normal normal
 Radial normal normal   normal NR   4.5(64%↓) normal
 Superficial peroneal    NR    NR   
 Sural    NR    normal   
  1. The amplitudes of CMAPs and SNAPs were compared with contralateral side
  2. CMAP compound muscle action potential, SNAP sensory nerve action potential, μV microvolt, mV millivolt, NR no response