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binjurebarksvikt Flashcards

(9 cards)

1
Q

behandling akut binjurebarksvikt

A

solu cortef 50-100 mg iv/im (hydrokortison)
ringeracitat, eller NaCl snabbt
patient med primär svikt och kongenital adrenal hyperplasi får även tillägg med MC=florinef. Detta då aldosteron är en bristvara (trots att kortisol kan binda till samma receptor)
om chock –> IVA

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2
Q

vilka prover kollar du vid misstänk addison?

A

kortisol
ACTH
AK mot 21 hydroxylas
Synachten test (ACTH, kortisol > 500= ingen brist)

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3
Q

vilka prover tar man vid misstänkt cushing?

A

tU-kortisol=2x3
dexametasontest; kortisol>70 är signifikant, normalt ska man hämma kortisolproduktion till < 50
saliv-kortisol: kl 23 > 5

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4
Q

hur vill du utreda primär aldesteronism?

A
  • aldosteron/renin kvot (>100)
  • tU aldosteron
  • hämningstest med NaCl eller florinef
  • kateterisering med mätning av aldosteron och kortisol i binjureven
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5
Q

hur påverkar olika LM renin?

A

ACE: stiger

B-blockad: sänker

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6
Q

hur utreder man feokromocytom

A

U-metoxyadrenalin/NE upprepade gånger
p-metanefriner
kromogranin A
klonidintest: ska ge hämning med 40% eller till inom referens av p-noradrenalin

lokalisation med
DT, MR
scinti
PET

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7
Q

Vad måste man tänka på innan operation av person med feokromocytom?

A

ge alfa-blockad 2 veckor innan för att förhindra hypovolemi vid sövning

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8
Q

utredning av kongenital binjurebarksyndrom?

A
s-17OHP
u-pregnantriol
Synacthen-test: 17OHP stiger
andrestenedion, testo, DHEA är höga
aldosteron/renin lågt
dexometasontest: stigande DHEA, testo, androstenedion
mutationsanalys
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9
Q

utredning av incidentalom

A

p-metanefriner, U-metoxyE/NE
dexametasonhämningstest
aldosteron/renin
S-DHEA

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