Those who perform neurosurgical and orthopedic spine procedures know the sinking feeling when transcranial electrical motor-evoked potential (tceMEP) amplitude abruptly falls. The differential diagnosis includes hypotension, hypocapnia, hypothermia, hypoxemia, and direct surgical injury. Dr. Allan F. Simpao, Department of Anesthesiology and Critical Care, Perelman School of Medicine at the University of Pennsylvania and The […]
Levetiracetam: a case report where the drug is associated with a global decrease in transcranial electrical motor-evoked potentials
