Internal Medicine Alert – April 15, 2023
April 15, 2023
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Insulin Resistance at the Blood-Brain Barrier in Alzheimer’s Disease
Alterations in cerebrovascular insulin receptor isoform levels were associated with Alzheimer’s disease pathology and caused deficits in insulin signaling at the level of the blood-brain barrier.
Influence of Vitamin Intake on Migraine Prevalence
Among participants experiencing severe headaches or migraine, those with severe headaches also reported a lower intake of thiamine and riboflavin, based on 24-hour recall of food intake.
Multivitamin-Mineral Supplementation vs. Cocoa Extract for Cognition
Researchers followed participants for three years and determined daily cocoa supplement use was not associated with cognitive enhancement in older adults, whereas a multivitamin supplement was associated with significant cognitive benefits.
Zavegepant Nasal Spray (Zavzpret)
Zavegepant can be prescribed to treat migraine, with or without aura, in adults.
Double BBB, or Complete AV Block?
The ECG in the figure is from a woman who complained she had been experiencing chest pain for several days. What is the rhythm? Is there complete AV block?