FA Penicilin G, V, amoxicillin, ampic, antipseudomonals Flashcards

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1
Q

Penicilinas G formos?

A

I/m and I/v

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2
Q

Penicilinas V formos?

A

p/os

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3
Q

Penicilinas G ir V - prototype beta lactam antibiotics

A

.

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4
Q

Penicilinas G ir V. Mechanism?

A

panasus i vankomicino.
D-Ala-D-Ala structural analog. Bind penicilin-binding proteins (TRANSPEPTIDASES).
Block transpeptidase cross-linking of peptidoglycan in cell wall.

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5
Q

What group of enzymes activate Penicilinas G ir V?

A

activate autolytic enzyme

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6
Q

Penicilinas G ir V mostly for what bugs?

A

mostly for gram + (s. pneumonia; s.pyogenes; actinomyces)

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7
Q

Penicilinas G ir V for what gram - bugs?

A

mostly for gram - cocci - N. meningitidis.

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8
Q

Penicilinas G ir V for what bugs apart gram + and - ?

A

spirochetes - mainly treponema pallidum.

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9
Q

Penicilinas G ir V. cidal ir static?

A

bactericial for gram + coci. gram+ rods, gram - cocci, spirochetes.

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10
Q

Penicilinas G ir V. relation to beta lactamase?

A

beta lactamase sensitive.

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11
Q

Penicilinas G ir V. adverse?

A

hypersensitivity, direct Coombs positive hemolytic reaction, drug induced interstitial nephritis.

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12
Q

Penicilinas G ir V. resistance mechanism?

A

beta-lactamase cleaves the beta-lactam rings. Mutations in PBPs.

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13
Q

Penicillinase-sensitive penicilins?

A

Penicilinas G ir V;
Ampicillin;
Amoxicillin

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14
Q

what are aminopenicilins?

A

Ampicillin; Amoxicillin

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15
Q

Ampicillin; Amoxicillin - what mechanism?

A

Same as Penicilinas G ir V

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16
Q

what penicillinase precautions for Ampicillin; Amoxicillin?

A

To protect against destruction by beta-lactamase combine with:
amoxicillin - CLAVULANIC ACID (clavulanate)
Ampicillin - SULBACTAM

17
Q

general Clinical use of Ampicillin; Amoxicillin?

A

extended-spectrum penicillins

18
Q

Abbcreviation of Clinical use of Ampicillin; Amoxicillin?

A

HHELPSS - H-influenzae, H pylori, E.coli, Listeria monocytogenes, Proteus mirabilis, Salmonella, Shigella (only ampicillin)
+ enterococci.

19
Q

in H pylori eradicaition?

A

amoxicillin (if allergy –> metronidazole)

20
Q

Ampicillin; Amoxicillin - in otitis media, sinusitis, UTI, H pylori, VKT?

A

Amoxicillin

21
Q

Ampicillin; Amoxicillin - meningitis, sigelioze, GI tract (E coli, salomenla, shigela, proteus, enterococus)

A

Ampicillin

22
Q

Ampicillin; Amoxicillin adverse?

A

Hypersensitivity, rash (nealerginis berimas), pseudomembranous colititis (ampicilinas, nes used for GI infections), maksties kandidoze

23
Q

Ampicillin; Amoxicillin resistance mechanism?

A

same as penicillin G and V - penicillinase (a type of beta-lactamase) cleaves beta-lactam rings.

24
Q

What are antipseudomonal penicillins agents?

A

piperacillin, ticarcillin.

25
Q

what precautions use with antipseudomonal penicillins?

A

add beta-lactamase inhibitors, because these penicillins are penicillinase sensitive.

26
Q

antipseudomonal penicillins mechanism?

A

same as penicillin. ecxended spectrum

27
Q

prescribtion of antipseudomonal penicillins?

A

i/v, salinami per inkstus.

NEREABSORBUOJAMI SKRANDYJE

28
Q

piperacillin, ticarcillin combination with what beta-lactamase inhibitors?

A

piperacillin - tazobactam

ticarcillin - clavulanate

29
Q

piperacillin, ticarcillin clinical use?

A

Pseudomonas spp. and gram - rods.

30
Q

piperacillin, ticarcillin. Which one affect klesiella?

A

piperacillin - veikia

ticarcillin - neveikia

31
Q

piperacillin, ticarcillin. adverse?

A

hypersensitivity –> maculopapular rash, angioedema, anaphylaxis,

32
Q

What are 4 beta lactamase inhibitors?

A

Clavulanic acid, avibactam, sulbactam, tazobactam.

33
Q

when added beta lactamase inhibitors?

A

added to penicilincs to protect them from destruction by beta-lactamase.

34
Q

ampicillin + beta lactamase inhibitor?

A

ampicllin + sulbactam

35
Q

amoxicillin + beta lactamase inhibitor?

A

amoxicillin + clavulanate acid

36
Q

ceftazidime + beta lactamase inhibitor?

A

ceftazidime + avibactam

37
Q

piperacillin + beta lactamase inhibitor?

A

piperacillin + tazobactam