• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/37

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

37 Cards in this Set

  • Front
  • Back
what factors exist between patient and bug that help determine selection process (3)
1. immune status
2. site of infection
3. age
what factors exist between bug and drug that help determine selection process (4)
1. susceptibility
2. site of infection
3. protein binding
4. pH
what factors exist between drug and patient that help determine selection process (5)
1. immune status
2. pharmacokenetics
3. toxicity
4. organ function
5. pharmacodynamics
nonspecific signs of infection (3)
1. ESR (erythrocyte sedimentation rate)
2. CRP (c-reactive protein)
3. LFTs
what substances are gram stains performed on (4)
1. sputum
2. urine
3. CSF
4. wound specimens
large cell wall and stains purple
gram +
thin cell wall and stains red
gram -
gram + cocci (4)
1. staphylococci
2. streptococci
3. enterococci
4. listeria
gram + cocci in clusters =
staphylococcus
gram + cocci in pairs and chains =
streptococcus or enterococcus
gram - bacilli (7)
1. escherichia coli (e. coli)
2. klebsiella spp
3. enterobacter spp
4. serratia marcescens
5. proteus spp
6. pseudomonas aeruginosa
7. haemophilus influenzae
gram - cocci (2)
1. moraxella catarrhalis
2. neisseria spp
non gram staining bacteria (6)
1. chlamydia spp
2. mycoplasma pneumoniae
3. legionella spp
4. mycobacteria
5. rickettsiae
6. spirochetes
non gram staining viral organisms (3)
1. influenza A and B
2. hepatitis viruses
3. cytomegaloviruses
gram + anaerobes (4)
1. peptostreptococcus
2. peptococcus
3. propionibacterium acnes
4. clostridium spp

generally found in mouth and upper GI
gram - anareobes (2)
1. bacteroides fragilis
2. prevotella

generally found in lower GI tract
AFB (acid fast bacilli) test for?
mycobacteria
india ink tests for?
cryptococcus
potassium hydroxide tests for?
fungal pathogens
lowest concentration of an agent that inhibits the visible growth of an organism in vitro
MIC
lowest concentration of an agent which results in 99.9% reduction in colony forming units
MBC
what is the breakpoint value based on? (3)
1. drug pharmacokinetics
2. distribution of MICs
3. clinical efficacy
drugs identified in Childs Pugh Classification (2)
1. capsofungin
2. tigecycline

**be aware of liver toxicity
which trimester are sulfonamides not used?
last (3rd trimester)
agents that exhibit concentration-dependent killing (5)
1. aminglycosides (gentamicin, tobramycin)
2. fluoroquinolones (cipro, ofloxacin)
3. metronidazole
4. amphoteracin B
5. daptomycin
agents that exhibit non-concentration dependent killing (5)
1. beta lactams (penicillins and cephalosporins
2. glycopeptides (vancomycin)
3. clindamycin
4. macrolides (erythromycin)
5. fluconazole
AUC:MIC = _____ for gram - organisms
>125:1
AUC:MIC = ____ for gram + organisms
30-40+
what is the desired trough for vancomycin (concentration independent)
15 mcg/ml but may be up to 20 mcg/ml in endocarditis, meningitis
beta-lactamase inhibitors (3)
1. clavulanate
2. tazobactam
3. sulbactam
problem pathogens (ESKAPE)
1. enterococci faecium (VRE)
2. staphylococcus aureus (MRSA)
3. klebsiella spp (ESBL and carbapenemase-hydrolyzing b-lactamases)
4. acinetobacter baumanni
5. pseudomonas aeruginosa
6. enterobacter species
options for treatment of VRE (vancomycin resistant enterococci) (4)
1. linezolid (Zyvox)
2. daptomycin (cubicin)
3. quinopristin/dalfopristin (synercid)
4. tigecycline (tygacil)
hospital acquired MRSA are resistant to? (6)
1. penicillins
2. cephalosporins
3. quinolones
4. tetracycline
5. clindamycin
6. macrolides
treatment of choice for hospital acquired MRSA (1)
vancomycin

alternatives: linezolid, quinopristin/dalfopristin, daptomycin, tigecycline, telavancin, ceftaroline
CA-MRSA more likely to be susceptible to non-beta lactams such as? (6)
1. ciprofloxacin
2. clindamycin
3. tetracycline (not in children <8)
4. gentamicin
5. rifampin (not used alone)
6. bactrim
organisms that produce ESBLs are especially resistant to? (1)
1. ceftazidime
currently ESBL producing organisms can be treated with?
carbapenems (imipenem, meropenem, doripenem)