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Table 1 Nerve conduction study

From: Monoclonal gammopathy of renal significance (MGRS)-related AL amyloidosis complicated by amyloid myopathy: a case report

Motor nerves/site Amplitude (mV) Latency (ms) NCV (m/s) F-wave minimal latency (ms)
Median nerve
 Wrist 5.7 3.6   25.1
 Elbow 5.4 7.2 54.9  
Ulnar nerve
 Wrist 6.1 2.8   24.8
 Below elbow 5.9 5.8 65.1  
 Above elbow 5.7 7.1 56  
Tibial nerve
 Ankle 4.6 3.8 44.9 44.8
 Popliteal fossa 3.3 11.8   
Sensory nerves Amplitude (μV) Latency (ms) NCV (m/s)  
Median nerve 24.4 2.8 57  
Ulnar nerve 16.1 2.3 60  
Sural nerve Not evoked (*due to leg edema)  
  1. NCV indicates nerve conduction velocity