Samuel L Wasson

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OBJECTIVE The aim of this study was to determine if heart rate variability changes during hot flashes recorded during sleep. METHODS This study was performed in a university medical center laboratory with 16 postmenopausal women demonstrating at least four hot flashes per night. Polysomnography, heart rate, and sternal skin conductance to indicate hot(More)
Intraoperative monitoring of spinal cord function has been carried out in 59 patients during spinal instrumentation for scoliosis. Posterior tibial nerve stimulation in the popliteal space was performed and spinal evoked potentials from electrodes in the spinous processes observed. A rod artifact problem causing partial obliteration of the wave form can be(More)
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