Exam 2 (Antibiotics) Flashcards
1
Q
- What is a nosocomial infection?
A
Any infection acquired in the hospital
2
Q
- What are the two biggest sources of HAI’s?
A
Surgical site infection & HAI PNE
3
Q
- What are some S/S suggesting a pre-existing infection?
A
- Fever
- chills
- night sweats
- AMS
- productive cough
- SOB
- rebound tenderness
- dysuria
- CVA tenderness
- suprapubic pain
4
Q
- When do surgical site infections present?
A
Within 30 days of surgery
5
Q
- What is involved in a deep incisional SSI?
A
Muscle and surrounding tissues
6
Q
- What is involved in an organ or space SSI?
A
Any area other than skin and muscle
7
Q
- What are the 3 most common types of bacteria?
A
- Staphylococcus
- streptococcus
- pseudomonas
8
Q
- What is a clean-contaminated wound?
A
- No evidence of infection
- do involve internal organ
9
Q
- What is a contaminated wound?
A
Involve internal organ with spillage of contents from the organ
10
Q
- What is a dirty wound type?
A
Known infection at time of surgery
11
Q
- What are some risks for SSI?
A
- Comorbidities
- elderly
- emergency or abdominal surgery
- surgery >2hrs
12
Q
- What is a 1A grading category of studies?
A
Strong recommended, moderate to high-quality evidence
13
Q
- What is a 1B grading category of studies?
A
Strong recommended, low-quality evidence
14
Q
- When are parental Abx administered?
A
With 1B grading category
15
Q
- When are IV Abx not needed?
A
- Wound irrigation,
- Do not apply Abx ointments to incisions (1B)
- soaking prosthetic devices
16
Q
- Glycemic control is what kind of evidence & what is the target?
A
- 1A
- <200 mg/dL
17
Q
- Intraop iodine irrigation in deep tissue is what kind of evidence?
A
2
18
Q
- What are some general principles for Abx prophylaxis?
A
- Shortest possible course effective (1 dose)
- newer Abx reserved for resistant infections
- if everything equal then oldest and cheapest first
19
Q
- What Abx are initiated within 2hrs of incision?
A
Vancomycin & fluoroquinolones
20
Q
- Which Abx is redosed after coming off bypass & which is not?
A
- Ancef is redosed
- Vanc is not
21
Q
- Which Abx are beta lactams?
A
PCN, cephalosporins & Carbapenems
22
Q
- Which Abx is an Aminoglycoside?
A
Gentamycin
23
Q
- How do penicillin-beta lactams work?
A
Inhibit bacterial cell wall synthesis
24
Q
- PCN’s are the drug of choice for?
A
- Streptococci
- meningococci
- pneumococci
25
Q
- PCN Beta lactams are usually used for what kind of infections?
A
Skin, catheter infections & URI’s
26
Q
- What are some adverse reactions to beta lactams?
A
- Skin rash
- GI upset
- vaginal candidiasis
27
Q
- Can cephalosporins be used on patients with a PCN allergy?
A
Yes, unless it is anaphylaxis