hemato Flashcards

(11 cards)

1
Q

Simptome specifice in diferitele tipuri de anemii

A

coilonichie: anemie feripriva cronica
icter: hemolitica
deformari osoase: talasemie majora
ulcere membre inf: siclemie

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2
Q

cauze de macrocitoza normoblastica

A

alcoolici
reticulocitoza (hemoliza, hemoragie)
boala hepatica
hipotiroidism
medicamente (azatioprina)

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3
Q

caracteristici ale deficitului de fier foarte indelungat

A

coilonichie, unghii fragile
par fragil
stomatita angulara
atrofia papilelor linguale
disfagie (Plummer-Vinson sau Paterson-Brown-Kelly)

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4
Q

cauze de deficit de B12

A

aport dietetic redus la vegetarieni
absorbtie deficitara:
stomac: anemie pernicioasa, gastrectomie, deficit congenital de factor intrinsec
intestinul subtire: patologie sau rezectie ileala, suprapopulatie bacteriana, sprue tropical, botriocefaloza
utilizare anormala: deficit congenital de transcobalamina 2, protoxid de azot

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5
Q

deficit de B12, manifestari clinice

A

paloare + icter
glosita si stomatita angulara
polineuropatie: parestezii simetrice degete maini si picioare, pierdere vibratie si proprioceptie, slabiciune, ataxie
atrofie optica
tulb psihiatrice, dementa, halucinatii

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6
Q

cauza principala a deficitului de b12 si folati

A

b12: anemia pernicioasa
acid folic: aportul scazut

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7
Q

cauza deficitului de folat

A

dieta deficitara
alcool
anorexie
crohn, celiaca, gastrectomie
cancer
medicamente
utilizare excesiva:
fiziologic: sarcina, lactatie, prematuritate
patologic: patologii cu turn-over celular crescut (maligne, hemoliza, inflamatie, homocistinuria, hemodializa)
malabsorbtia: in boala intestinului subtire

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8
Q

cauze de distrugere non-imuna a eritrocitelor

A

defecte membranare (HPN)
factori mecanici
patologii sistemice: boli renale sau hepatice

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9
Q

cauze variate ale anemiei hemolitice dobandite

A

subst toxice: arsenic si toxina de c. perfringes
malaria
hipersplenismul
arsurile
dapsone si sulfasalazina cu corpi Heinz
erbicide gen cloratul de sodiu

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10
Q

cauze secundare ale anemiei hemolitice la cald

A

autoimune: lupus, boli reumatice
LLC, limfoame, limfoame Hodkin
carcinoame
Medicamente multe gen: metildopa, peniciline, cefalosporine, ains, chinina, interferon

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11
Q

cauze secundare ale anemiei hemolitice la rece

A

epstein barr
mycoplasma pneumoniae
CMV
limfoame
HPR (cu IgG)

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