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  Indian J Med Microbiol
 

Figure 3: Bilateral posterior tibial nerve (PTN) somatosensory evoked potentials: Normal baseline response in supine position (line arrow), with swift loss of subcortical and cortical response in sitting position ( broad arrow) and return of signals in right PTN (notched arrow); popliteal fossa responses remain unchanged (open arrow)

Figure 3: Bilateral posterior tibial nerve (PTN) somatosensory evoked potentials: Normal baseline response in supine position (line arrow), with swift loss of subcortical and cortical response in sitting position ( broad arrow) and return of signals in right PTN (notched arrow); popliteal fossa responses remain unchanged (open arrow)