Abx Flashcards
Prophylaxis
Prevention of disease- taking abx before surgery or procedure to prevent infection
Empiric therapy
Treatment with abx before the specific organism has been identified
Definitve therapy
abx use based on identified organism
colonization
growth of microorganisms in a particular body site
infection
disease caused by microorganism
Contamination
introduction of pathogens into normally clean and sterile environment
bactericidal
capable of killing bacteria
bacteriostatic
inhibition or retardation of growth of bacteria with out their destruction
bactericidal drugs
Kill bacteria- peniciilans
Clavulanic acid
Beta lactam agonist- restores function of antibiotic by addressing resistance
Aminoglycosides- Mech of action
Ribosomal protein synthesis inhibitor- bacteriostatic- can be cidal with increased concentration
Aminoglycosides- Types
End in mycin- gentomycin, streptomycin, neomycin
Aminoglycosides- Spectrum of activity
Gram -Including Pseudomoas aerug- severeSynergistic with beta lactam for gram +
Beta Lactams
Penicillin, Cephalosporins, carbapenem & vancomycin
Penicillin- Mech of action
Inhibit cell wall synthesis leads to cell lysis
Penicillins- Names
End in cillin- penicillin G, ampicillin, amoxicillin
Penicillins- Uses
Gram +Streptococci
Peinicillin G, VK
Drug of choice for N Meningitis, syphilis
Ampicillin & amoxicillin
Gram +Extended spectrumRespiratory infectionsStreptococci, enterococci