APEA Pharm Cardiovascular Exam with Questions and Verrified Answers
Bacterial protein synthesis inhibitors
Clindamycin
Clindamycin
Time dependent killing
Inhibits protein synthesis
Bacteriostatic
90% bioavailability
Clindamycin mechanism of resistance
Altered target sites
Active efflux (pushes drug out of the cell)
Clindamycin ADE
GI upset
Skin rash
Neutropenia
Superinfections such a c diff pseudomembranous
- don't use if patient has history of c diff
Clindamycin indications
Gram positive
Prophylaxis of endocarditis in valve patients with PCN allergy
Oxazolidinones
New class of bacterial protein synthesis inhibitors
Time dependent killing
Prevents formation of ribosome complex
Bacteriostatic & Bactericidal against strep
Linezolid
Protein synthesis inhibitor
100% bioavailability orally
, APEA Pharm Cardiovascular Exam with Questions and Verrified Answers
30% CSF penetration
Linezolid ADE
Hematologic
Increased thrombocytopenia risk
Anemia, neutropenia, neuropathy
Optic & peripheral neuropathy
Serotonin syndrome with SSRIs
Linezolid Indications
Gram positive resistant
VRE, HCAP, CAP
Complicated skin & tissue infections
Off label use for TB
No resistance currently
Fluoroquinolones
Norfloxacin (1st gen)
Ciprofloxacin & Ofloxacin (2nd gen)
Levofloxacin (3rd gen)
Moxifloxacin & Gemifloxacin (3rd gen respiratory)
Fluoroquinolones are classified by
Generations according to antimicrobial spectra
1st Generation Fluoroquinolone
Narrow gram negative
Norfloxacin
2nd Generation Fluoroquinolone
Broad- gram negative and gram positive
Cipro & ofloxacin
Bacterial protein synthesis inhibitors
Clindamycin
Clindamycin
Time dependent killing
Inhibits protein synthesis
Bacteriostatic
90% bioavailability
Clindamycin mechanism of resistance
Altered target sites
Active efflux (pushes drug out of the cell)
Clindamycin ADE
GI upset
Skin rash
Neutropenia
Superinfections such a c diff pseudomembranous
- don't use if patient has history of c diff
Clindamycin indications
Gram positive
Prophylaxis of endocarditis in valve patients with PCN allergy
Oxazolidinones
New class of bacterial protein synthesis inhibitors
Time dependent killing
Prevents formation of ribosome complex
Bacteriostatic & Bactericidal against strep
Linezolid
Protein synthesis inhibitor
100% bioavailability orally
, APEA Pharm Cardiovascular Exam with Questions and Verrified Answers
30% CSF penetration
Linezolid ADE
Hematologic
Increased thrombocytopenia risk
Anemia, neutropenia, neuropathy
Optic & peripheral neuropathy
Serotonin syndrome with SSRIs
Linezolid Indications
Gram positive resistant
VRE, HCAP, CAP
Complicated skin & tissue infections
Off label use for TB
No resistance currently
Fluoroquinolones
Norfloxacin (1st gen)
Ciprofloxacin & Ofloxacin (2nd gen)
Levofloxacin (3rd gen)
Moxifloxacin & Gemifloxacin (3rd gen respiratory)
Fluoroquinolones are classified by
Generations according to antimicrobial spectra
1st Generation Fluoroquinolone
Narrow gram negative
Norfloxacin
2nd Generation Fluoroquinolone
Broad- gram negative and gram positive
Cipro & ofloxacin