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NBME 22 Answers

nbme22/Block 4/Question#12 (13.3 difficulty score)
A 73-year-old woman dies 7 years after the ...
Hydrocephalus ex vacuo🔍

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 +4  upvote downvote
submitted by dr.xx(125),
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The foru steyp of hshuraopedylc rea cnmgmunaioi,tc nmg,inmotocinanuc ex c,uavo dna norlma repussre. gnioasiDs is lycltpyia emad by yhsliacp oitenixaman adn dcalmei ingm.gai

dsrauhpHyolec xe vuaco loas refsre ot na mnlgarteene fo acbrlree tlesicevrn nda druciahbanos c,sesap dna si llsyuua ued to nbrai hptorya as( ti ccusro ni )it,neaemsd utmrtt-aacopis nriab jnesuiri nda vnee ni meos hycpasrtcii ,sesrdidor schu as np.sciiaehhorz As ppseodo to ecr,yolhdhuasp this si a ayopcrtmeson mgrteneaeln fo hte FcaCsspS-e ni eeprsnso to brnia acarmhpeny s;los it is not eht erutsl fo ersandeci CSF e.pesrrsu


 +3  upvote downvote
submitted by madojo(121),

Think ex vauco for = fake IE: The ventricles appear to be big but in reality it just looks a lot bigger because its being compared against a atrophic brain from something like (Alzheimers, advanced HIV, Pick disease, Huntingtons).

Communicating hydrocephalus is due to decreased CSF absorption by arachnoid granulations which causes ICP --> papilledema and herniation.

Normal pressure hydrocephalus affects the elderly and causes "Wet, wobby, wacky"