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San Diego, CA 92108-2134
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Audiogram showing symmetric, gradually sloping, high-frequency sensorineural hearing loss. The right ear is shown. (Courtesy of James Lanska.)
May. 07, 2020
Behavioral & Cognitive Disorders
Cognitive impairment is a common feature of multiple sclerosis and often leads to declines in the ability to initiate and carry out instrumental activities of daily living. Cognitive impairment in multiple sclerosis affects most cognitive domains, but processing speed, visual learning, and short-term memory deficits are most common. Neuropsychiatric symptoms are common, with lifetime prevalence rates of depression approaching 50%.
Jun. 09, 2020
Optical coherence tomography is a high-resolution, noninvasive imaging technique. In clinical settings, this infrared technology is used to measure retinal
May. 14, 2021
Headache & Pain
Hemiplegic migraine is characterized by migraine with aura including motor weakness. Recurrent coma, encephalitis, or cerebellar ataxia in a patient with a family history of migraine and cerebellar ataxia could be the presenting symptoms of familial hemiplegic migraine. Attacks may be provoked by emotional stress, mild head trauma, angiography, or exertion. Most hemiplegic patients recover completely between attacks, but permanent sequelae have been reported.
Dec. 06, 2020
Stroke & Vascular Disorders
Sneddon syndrome is characterized by livedo reticularis and cerebrovascular events, with ischemic stroke, particularly in the territory of the middle cerebral artery, as the neurologic hallmark. Other manifestations include hypertension and associated coagulopathies, and cognitive impairment may also occur without typical stroke signs. The majority of reported cases are female and hypertensive.
Dec. 02, 2020
Jan. 05, 2021
Acquired hepatocerebral degeneration is characterized by extrapyramidal signs, ataxia, and cognitive decline. It is a progressive neurologic disorder that occurs in patients with chronic liver disease. Specific pathogenesis is not known, but diversion of portal blood into the systemic circulation appears to underlie the syndrome.
Nov. 20, 2020
Aortic atheroma is an important risk factor for ischemic stroke. In particular, large and complex aortic arch atheroma has been associated with an increased
Jul. 09, 2018