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In 2 patients with neuromyotonia, nerve blocks had no effect on the abnormal activity, while intramuscular injection of the botulinum toxin abolished the discharges in one and greatly diminished them in the other. Botulinum toxin thus helps to localize the origin of the neuromyotonic discharges to the terminal regions of the peripheral nerve in those cases(More)
The facial nerve was stimulated trascranially with a magnetic stimulator in 14 normal controls, 14 hemifacial spasm patients, and 16 post-facial-palsy synkinesis patients. Magnetic stimulation in normal controls revealed muscle responses which had latencies with a mean value of 4.99 +/- 0.49 ms and amplitudes of 2.41 +/- 1.08 mV. In the same group,(More)
Clinical and electrophysiological findings of 47 asymptomatic females who received radiation therapy (RT) over their brachial plexus region are presented and compared with 8 radiation-induced brachial plexopathy (RBP) and 4 neoplastic brachial plexopathy (NBP) patients. In the asymptomatic group, abnormal findings were more frequent in patients whose(More)
Electrophysiological findings of 27 males with industrial n-hexane polyneuropathy (HPNP) are presented. The results of needle electromyography and nerve conduction studies were compatible with primarily axonal polyneuropathy with secondary segmental demyelination. Motor conduction velocities were the slowest in distal regions of the nerves. In the proximal(More)
A 5.5 year old Turkish boy who suffered from progressive muscle stiffness was diagnosed as having continuous muscle fiber activity syndrome. Electromyography showed continuous motor neuron activity at rest and following intravenous injection of diazepam. Peripheral nerve block, spinal and general anesthesia diminished the spontaneous activities. The(More)
The relationship between cerebrospinal fluid levels of HVA and 5-HIAA and the hypokinetic-rigid symptoms that occurred during oral administration of haloperidol in twenty schizophrenic patients was investigated. Measurement of the silent period in the EMG was used for evaluation of these symptoms. The results support the hypothesis of a positive correlation(More)
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