Penicilinas De Espectro Limitsdo Suscpp A B-lactamasa Flashcards

1
Q

Composicion quimica

A
  • anillo b-lactamico

- enlaces tiazolidina.

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2
Q

Clasif penicilinas

A
  • Pen G o bencilpenicilina.

- pen V o fenoximetiopenicilina.

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3
Q

Espectro de accion

A
  • cocos gram+
  • algunos gram - (neiserias meningitidis y ghonorreae)
  • bacterioides
  • espiroquetas (treponema pallidum, leptospira)
  • difteria
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4
Q

Mec accion

A

Ingresan a la bacteria por proteinas especificas para las penicilinas (pap) en la pared bact, la penicilina rompe la pared y la membrana bacteriana y el sist inmune resuelve con enzimas autoliticas.

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5
Q

Subclasif pen G

A

1- sodica
2- potasica
3- procainica
4- clemizol

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6
Q

Que otro nombre recibe la pen g sodica y para q se usa

A
  • cristalina

- psra la urgencia medica con efecto dr 4-6 hr.

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7
Q

Pen G de accion intermedia

A
  • procainica y clemizol
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8
Q

Para que se usan las de accion intermdia?

A

se le agrega a la bencilpenicilina para prolongar su efecto y retardar la absorcion debido a q son sales insolubles.

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9
Q

Penicilina de accion prolongada

A

La benzatinica.

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10
Q

Caracts pen benzatinicas.

A
  • efecto 7-10 dias
  • se usa una inyeccion x semana intraglutea.
  • tx sifilis
  • tx foco streptococcico en la garganta.
  • tx que necesitn de una semana de accion penicilinicañ
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11
Q

Alergia a penicilina?

A

Estreptomicina se le da si el px es alergico

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12
Q

Caracts pen V o fenoxipenicilinA

A
  • es la oral
  • sabor metalico y amargo
  • diarrea, nauseas y vomitos.
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