This issue of Emergency Medicine Reports is the first in a two-part series on imaging and evaluation of stroke and transient ischemic attack (TIA). This part will review risk factors, history and physical examination, and computed tomography imaging. Part 2 will review magnetic resonance imaging, duplex ultrasound imaging, and treatment.
Non-Hodgkin B-cell lymphomas are more likely to be associated with peripheral nerve disorders, and Hodgkin's disease with central nervous system syndromes.
Neurosurgical interventions for trigeminal neuralgia have never been rigorously studied for efficacy and carry significant risks.
Light-exacerbated pain occurring during migraine headaches is associated with increased cerebral blood flow in the visual cortex. This activation of retinal ganglion cells by light, present even in blind migraineurs, occurs through posterior thalamic connections.
Impulse control disorders in Parkinson's disease are associated with a unique pattern of electrophysiological activity in the ventral subthalamic nucleus.
