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JA Clinical Reports
Fig. 1 | JA Clinical Reports

Fig. 1

From: Unilateral abnormality of initial motor-evoked potential in the upper limb detected during lumbar spine surgery: a case report

Fig. 1

Train-of-four bilateral test conducted at the upper and lower extremities. The first train-of-four (TOF) recordings obtained immediately after prone positioning of the patient exhibited a significantly prolonged latency in the left APB. The recording time was adjusted to observe the left APB waveform (second row). The last row indicates that although the TOF already reached 100%, the left APB had a small amplitude and prolonged latency

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