L2 C2: Aminoglycosides Flashcards
Mnemonic for Aminoglycosides?
“A Mean Old Mycin”
Used to treat serious, resistant, life threatening, gram negative infx
ALL aminoglycosides end in Mycin, but not all DRUGS ending with mycin are amino glycosides. Such as those who have “____” in the middle of their name
“THRO”
Azithromycin, Clarithromycin, Erythromycin. All have THRO in the middle. So, THRO them off the “Mean Old Mycin” list
What are toxic effects?
• Mycin—Sounds like Mice (Think _____) = Monitor____
• The human ears are shaped like a _____ so another toxic effect of
is _______= monitor _____
ears (Ototoxic) = hearing (#1), balance, tinnitus
(ringing of the ear, CN8 toxicity)
Kidney, nephrotoxicity = Creatinine
- Best indicator of kidney function?
- What is better than Serum creatinine?
Creatinine
24-hour creatinine clearance
figure 8 drawn inside the ear should remind you of of 2 things:
They are toxic to _____ (which CN?)
Administer them ____ (how often) via_____ (route)
CN 8
Q8, IM/IV
Do not give Mean Old Mycins _____ (route) because they are not absorbed, and therefore would not have any ______ effects
PO
systemic
2 cases where Mean Old Mycins are given PO?
________ encephalopathy (or ______ coma): ammonia level gets too high
- Pre-op ______ surgery: to sterilize before surgery
- Hepatic encephalopathy (or hepatic coma): ammonia level gets too high
- Pre-op bowel surgery: to sterilize the bowel before surgery
• In both cases, the ABX stays in the gut (not absorbed), sterilizes the bowel, and would not be toxic
Oral mycin Drugs? (Neo Kan)
Neomycin and Kanamycin
Both Through & Peak are dependent on the _____
Route
For THROUGH, it is ALWAYS drawn ___ min ____ (after/before) the next dose
30 min; BFORE
For PEAK SubL:
______ min after drug _____
5-10 min; dissolved
For PEAK IV:
______ min after drug is _____
15-30 min; finished (bag is empty)
For PEAK IM:
______ min after
30-60 min
For PEAK SQ?
depends on insulin
You give 100ml of a drug at 200 ml (the drug takes 30 min to run). If you hang the drug at 10am, it will finish running at 10:30am. When will the drug peak?
a. 10:15 AM
b. 10:30 AM
c. 10:45 AM
d. 11:00 AM
D
Always pick the highest option without going over the range