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The sympathetic skin response (SSR) is the potential generated by sweat in response to different stimuli. This potential has a waveform that habituates with closely repeated stimuli and a latency of 1.3-1.5 s at the hand and 1.9-2.1 s at the foot. It has been used to study the peripheral sympathetic system in peripheral nerve diseases. The response is… (More)
We present five elderly patients with focal reflex or posture-induced seizures and nonketotic hyperglycemia (NKH). Each patient exhibited interictal focal findings, such as hemiparesis or hemisensory or aphasic deficits. With control of the hyperglycemia, the seizures stopped, and the neurologic deficits resolved. The syndrome of focal reflex epilepsy and… (More)
Somatosympathetic reflex was studied in 29 patients with definite multiple sclerosis (MS) by the non-invasive sympathetic skin response (SSR) method. Abnormal SSRs in 1 or more limbs were noted in 17 patients. Good correlation between the number of absent SSRs and the severity of the disability caused by MS was observed. Delayed or absent SSRs correlated… (More)
OBJECTIVE To test the presumption that Lhermitte's sign in multiple sclerosis is the result of a lesion in the cervical spinal cord. DESIGN The radiologic files of 887 patients with multiple sclerosis were reviewed. A detailed questionnaire regarding Lhermitte's sign was sent to 75 patients who had undergone magnetic resonance imaging of the brain and… (More)
Case reports of two patients with cerebellar ataxia and proprioceptive sensory loss are presented. MRI of the brain revealed lesions of the ventroposterior part of the thalamus. These patients illustrate clinically the anatomical independence of cerebellar and sensory pathways in the thalamus. We suggest that the ataxic deficit is caused by interruption of… (More)
We report the case of a patient with the unusual combination of migraine, chorea, and retinal arterial thrombosis along with laboratory evidence of autoimmunity. In the absence of systemic lupus erythematosus, the clinical manifestations suggest the presence of the primary antiphospholipid antibody syndrome.
One hundred electroencephalograms (EEGs) with benign epileptiform transients of sleep (BETS) were reviewed. The incidence of epileptic seizures, syncope, headaches, transient ischemic attacks (TIAs), dizziness and psychiatric complaints was determined. The incidence of these symptoms was similarly ascertained for another group of patients whose sleep EEGs… (More)