Antibioticos Flashcards

1
Q

Bacterias productoras de esporas

A

Clostridium y Bacillus

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2
Q

Diferencias entre gram+ y gram -

A

Grampositivos: Acido teicoico y acido lipoteicoico. Sin membrana externa
Gramnegativos: Membrana externa. LP. Porinas

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3
Q

Bacilos grampositivos

A

CLAN-B (Clostridium, Listeria, Actinomyces, Nocardia y Bacillus)

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4
Q

Cocos Gramnegativos

A

Neisseria y Morraxella

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5
Q

Aminoglucosidos

A

Tobramicina, amikacina, gentamicina, neomicina, paromomicina

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6
Q

Penicilinas antiestafilococicas

A

cloxacilina meticilina y oxacilina

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7
Q

Carbapenemico que no cubre pseudomonas

A

Ertapenem

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8
Q

Mecanismo de resistencia de cocos grampostivos a penicilinas

A

Mutacion de PBPs. Por lo tanto no aporta nada administrar un inhibidor de betalactamasas

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9
Q

Uso de Vancomicina via oral

A

Colitis pseudomembranosa por C. difficile

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10
Q

Efecto adverso mas frecuente de vancomicina

A

Nefrotoxicidad

El mas caracteristico es el “sindrome del hombre rojo” (liberación histamina)

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11
Q

Efecto adverso de cefalosporinas de 4ta generación

A

Neurotoxicidad

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12
Q

Antibioticos liposolubres de buena elección para bacterias intracelulares

A

Tetraciclinas, Macrolidos y quinolonas

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13
Q

Quinolonas de 2da generación (urinarias)

A

Ciprofloxacino, norfloxacino y ofloxacino

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14
Q

Quinolonas respiratorias (3ra y 4ta)

A

levofloxacino y moxifloxacino

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15
Q

Efecto adverso de quinolonas

A

Mas frecuente: Gastrointestinales
Mas caracteristico: Tendinitis e incluso rotura tendinosa (tipicamente del aquíleo)
Alargamiento del QT

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16
Q

Clotrimoxazol es de elección en:

A

Enfermedad de Whipple
Pneumocystis jirovecii
Nocardia sp.
Stenotrophomonas sp.

17
Q

Lipoglucopeptidos

A

Dalbavancina, telavancina, oritavancina

18
Q

Uso de daptomicina

A

Es un lipopeptido

Principal indicación: endocarditis y bacteriemia por S. aureus.

19
Q

Flora predominante de la boca

A

Streptococos viridans

20
Q

Tercera causa de endocarditis

A

Enterococo

21
Q

Bacilos gramnegativos

A

E.g., Legionella pneumonia and Bartonella

Enterobacteriaceae (e.g., Yersinia, Shigella, and Salmonella)