Neurology

The Basics of Bell's

Always looking up the clinical findings of a central vs. peripheral CN VII palsy? Wondering who to treat and who not to treat? Well...this post is for you! Click to read more about the basics of a Bell's Palsy!

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Thrombolysis in Acute Stroke

Ever wonder where the the current American Heart Association and American Stroke Association (AHA/ASA) guidelines for thrombolysis in acute ischemic stroke come from?   Included is a summary of the landmark studies that have contributed to these recommendations (NINDS& ECASS III) as well as a review of IST-3. 

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Brain Protection After Severe Injury: Hyperosmolar Therapy

Following a severe brain injury the goal of the clinician is to prevent secondary brain injury. This entails increasing oxygen delivery to the brain by preventing hypoxia and increasing cerebral perfusion. Hyperosmolar therapy, including mannitol and hypertonic saline, is often used to decrease ICP.

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Dexamethasone in Meningitis: The Evidence and Identifying Barriers to Care

Beyond mortality, the plague of bacterial meningitis on the body and central nervous system has been well described. Included in post-meningitis neurologic sequelae are sensorineural hearing loss, seizures, and focal neurologic deficits. Early administration of dexamethasone serves to reduce CNS cytokine production and limit the severe inflammation contributing to the development of these long-lasting neurologic effects. Furthermore, appropriate timing and dosing of dexamethasone therapy in these patients is crucial and can be easily overlooked.

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The Right and Wrong Imaging Tests to Evaluate for Central Vertigo

The differentiation between peripheral vertigo and central vertigo can be exceedingly difficult as symptoms of both clinical entities largely overlap. This diagnostic dilemma can be particularly painful for Emergency Medicine physicians and their patients as the workup for central vertigo rules out "can't miss" pathology with imaging that typically takes hours to obtain.

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