Faringo Flashcards

1
Q

¿Qué causa el estreptococo pyogenes?

A

faringoamidalitis

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2
Q

secuelas no superativas

A

fiebre reumática
Glomerulonefritis aguda

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3
Q

esteptococos pyogenes o betahemolitico del grupo A

A

hemolisis completo aro blanquecino en el sensidisco

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4
Q

caracteristicas del E. pyogenes

A

cocos gram (+)
que se agrupa cadenas
aerobio facultativo
catalasa negativo
oxidasa negativo
no son esporulados
hagar sangre
betahemolisis

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5
Q

composicion antigenica

A

capsula formada por acido hialuronico
pared celular de acido teicoico y peptido glucano y acido lipoteicoico
carbohidrato C:
proteina M: antigenica
acido lipoteicoico en pelitos para asherencia

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6
Q

enzimas implicadas

A

iluminadasa: hidrolisa al acido hialuronico permitiendo que vaya de tejido en tendido diseminanose
estreptoquinasa: impide l composicion de coaulo: produce plasminogeno que hidroliza a plasmina impide coagulos
estrepptodornasa: el adn es transformado a eudado y tejido necrotico

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7
Q

toxinas

A

estreplisina s: hemolisis en hagar sangre
estreptolisina O: antigenica desencadena produccion de anticuerpos
eritrogenica: responbable de rash

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8
Q

enfermedades

A

faringoamigdalitis: niños y adolescentes. bacteriana se ve secrecion purulenta
fiebre escarlatina: lengua de fresa

complicaciones supurativas: absceso periamigdalino
sinusitis
otitis
mastoiditis

complicacion no supurativas: glomerulonefitiis post infecciosa (sindrome nefritico)
fiebre reumatica
impetico: vesciculas, pustulas, costrass

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9
Q

quee es la toxina eritrogenica?

A

es una enzima que prodcue escalatina y produce fiebre escarlatina

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10
Q

tratamiento?

A

penicilna V o benzatinica por lo menos durante 10 años o más

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11
Q

fiebre puerperal

A

el s. p entra al utero por elcanal vaginal por mala higiene

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12
Q

impetigo

A

lesion cutanea, vesciculas va a pustula y lego costras
complicacion del impetico: glomerulonefritis aguda

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13
Q

celulitis

A

enrogedida una zona

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14
Q

ericipela

A

comopromete capas superficiales e la piel y compromete vasos linfaticos. superficial

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15
Q

fascitis necrotizante

A

s.p orrigina la infeccion en tejido cubcutaneo + la fascia (traumatismo, quemadura, ulcera o torrrente)

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16
Q

tincion

A

gram pisitivo

17
Q

pacientes alergicos a la penicilina

A

erotromicina
cefalexina
clindamicina