Neurology 2 Flashcards
What condition causes loss of pain and temperature sensation in a “cape-like distribution”?
syringomyelia
How would you basically describe syringomyelia?
an expansion of the central canal of the spinal cord forms a cyst-like space that compresses surrounding structures, i.e. the decussation of the pain and temp fibers
What is the best Dx test for syringomyelia?
MRI
What is the best Tx for syringomyelia?
surgical decompression
What are the most common causes of bacterial meningitis in people 2-50 y.o.?
Pneumococcus and Meningococcus
What is the appropriate empiric Tx for bacterial meningitis in pts 2-50 y.o.?
Ceftriaxone and vancomycin
What bacterial cause of meningitis are immunosuppressed people, infants, and elderly people particularly susceptible to?
Listeria
What antibiotic should be added to the empiric Tx regimen of bacterial meningitis for immunosuppressed, elderly, and infantile people?
Ampicillin
The most appropriate empiric Tx for S. pneumoniae meningitis is what?
Vancomycin and ceftriaxone
What part of the brainstem is infarcts in “locked-in” syndrome
Base of the pons
What artery is frequently occluded in locked-in syndrome
Basilar artwry
Which is the one way pts with locked in syndrome can move their eyes?
Vertically
When should aspirin be given as the preferred therapy after ischemic stroke?
When >3 hrs have passed (thrombolytics may no longer be given).
When do you give anti-hypertensives, such as metoprolol, after ischemic stroke? Why?
Not unless Systolic BP >220, diastolic >120, or BP >185/110 after rTPA. Risk of hypoperfusion.
In pts with suspected subarachnoid hemorrhage but normal findings on CT or a delayed presentation, what I’d the best diagnostic test?
LP for blood or xanthochromia