Table 1. Nerve conduction velocity studies done on day 2 vs day 7 of illness.

SAP: sensory nerve action potential measured in µV, microvolts; MCV: motor conduction velocity measured in m/s, meters/seconds; distal latency measured in ms, milliseconds; CMAP: compound muscle action potential measured in mV, millivolts

Nerve study	D2 of illness	D7 of illness	D2 of illness	D7 of illness
	Left extremity		Right extremity
Median nerve
SAP (index-wrist)	17 µV, 56 m/s	6 µV, 58 m/s	17 µV, 53m/s	Not done
SAP (palm-wrist)	31 µV, 55m/s	Not done	53 µV, 51 m/s
SAP (wrist-elbow)	18 µV, 64 m/s		13 µV, 68 m/s
MCV	56 m/s	63 m/s	64 m/s
Distal latency	3.2 ms	3.7 ms	3.2 ms
CMAP (wrist)	15.1 mV	3 mV	12/5 mV
CMAP (elbow)	14.7 mV	3.3 mV	11.9 mV
F-wave to abductor pollicis brevis	23.8 ms	No clear F-wave	23.9 ms
Ulnar nerve
SAP (digit 5-wrist)	8 µV, 56 m/s	No response	12 µV, 51 m/s	Not done
MCV (forearm)	57 m/s	68 m/s	67 m/s
MCV (across elbow)	55 m/s	62 m/s	62 m/s
Distal latency	3.0 ms	2.9 ms	3.6 ms
CMAP (wrist)	11.2 mV	3.6 mV	10.5 mV
CMAP (elbow)	10.8 mV	3.5 mV	10.4 mV
CMAP (above elbow)	7.1 mV	1.8 mV	8.8 mV
F-wave to abductor digiti minimi	24.8 ms	No clear F-wave	23.4 ms
Radial nerve
SAP	21 µV, 55 m/s	No response	22 µV, 51 m/s	Not done
Sural nerve
SAP	21 µV, 54 m/s	No response	27 µV, 53 m/s	No response
Common peroneal nerve
SAP	12 µV, 47 m/s	Not done	12 µV, 47 m/s	Not done
MCV (leg)	56 m/s	41 m/s	55 m/s	40 m/s
MCV (across knee)	52 m/s	41 m/s	53 m/s	42 m/s
Distal latency	4.2 ms	5.9 ms	3 ms	3.1 ms
CMAP (ankle)	4.7 mV	0.1 mV	3.5 mV	1.1 mV
CMAP (knee)	4.6 mV	0.1 mV	3.4 mV	0.1 mV
CMAP (above knee)	4.3 mV	0.7 m	2.8 mV	0.4 mV
Post. tibial nerve
MCV	50 m/s	53 m/s	56 m/s	51 m/s
Distal latency	3 ms	4 ms	3.9 ms	4.3 ms
CMAP (ankle)	15.5 mV	7.6 mV	14 mV	5.2 mV
CMAP (knee)	13.6 mV	5.7 mV	12.3 mV	4.3 mV
F-wave to abductor hallucis	43.2 ms	No clear F-wave	43.6 ms	No clear F-wave
H-reflex	No response	No response	No response	No response