Pharm Flashcards
Which form of local anesthetic can penetrate through the nerve membrane?
The non ionized form
What will increased blood flow do to LA?
Shorten duration
What will an increase in lipid solubility or hydrophobicity do to LA?
More potent
Longer duration
What will increase protein binding do to LA?
Increase duration
What will a decreased pka of a LA do?
Faster onset of action
What is the pka of mepivicaine?
7.6
What is the pka of lidocaine?
7.8
What is the pka of articaine?
7.8
What is the pka of bupivicaine?
8.1
What is the pka of prilocaine?
7.8
How many mg of anesthetic is in 1% carp?
18 mg
How many mg of epinephrine is in 1 carp of 1:100,000?
.018 mg
What 3 things does a vasoconstricter do to a LA?
- Prolong numbness
- Decrease toxicity
- Promote hemostasis
What is max dose of epinephrine for asa I pt?
0.2 mg
What is mmax dose of epinephrine for a pt with cardiac issues?
0.04mg
What is max does lidocaine without epi?
4.4mg/kg
What is max does of lidocaine with epi?
7mg/kg
Which injection has the highest risk for hematomas?
PSA
How deep do you inject in a PSA block?
16 mm
Sulfonamides
Antibiotic
Start with prefix “sulfa”
Folate synthesis inhibitor (competes with PABA)
Bacteriostatic
Fluoroquinolones
Antibiotic
Have the term “floxacin” in the drug name
DNA synthesis inhibitor
Bacteriocidal
If you are allergic to penicillins, what other antibiotic are you likely allergic to?
Cephalosporins
Penicillins
B lactam antibiotic
Cell wall synthesis inhibitor
Broad ranged
Bacteriocidal
What is the difference between penicillin G and penicillin V and amoxicillin?
penicillin G is administered by IV and is more sensitive to acid degradation
Penicillin B is taken orally
Amoxicillin is broad spectrum
Augmentin
Type of penicillin
Contains amoxicillin and clavulanic acid (B lactatamase resistant)
What are the three penicillins that are B lactase resistant?
Augmentin, Methicillin, Dicloxacillin
Ampicillin
Best/broadest gram NEGATIVE spectrum
Carbenicillin
used specifically against psuedomonas