Exam 3 Wound Infection Flashcards Preview

Q4 EM Surg > Exam 3 Wound Infection > Flashcards

Flashcards in Exam 3 Wound Infection Deck (14):
1

Surgical Site Infections (SSI) primary source of pathogen?

The patient

2

What local factors combat SSI? (7)

Intact epithelium
↓ moisture
Flushing via tears/urine
Cilia
Mucus
pH
Local immunity

3

What systemic factors combat SSI? (2)

Phagocytes
Immune system

4

What % of pts w/ SSI die?

> 75%

5

SCIP quality performance measures include? (6)

Prophy ABX
Hair removal
Urinary catheters
Periop temp
VTE prophy
β-block therapy

6

What systemic factors ↑ risk of SSI? (9)

Age
Chronic illness
Steroids
Malnutrition
Chemo/Radiation
Obesity (poor vascularization)
DM
Hyperglycemia
Immunosuppression

7

Sites of entry for infection? (4)

Injured tissue
Incision
Puncture for vascular access
Catheters

8

Causes of Hypothermia? (3)

Exposure
Large vol infusion of cold liquid
Evaporative loss during intracavitary surgery

9

Hypothermia ↑ risk for infection, how?

Vasoconstriction ↓ blood flow and immune response

10

Causes of Hyperglycemia?

Catabolism and insulin resistance from surgical stress

11

Hyperglycemia ↑ risk for infection, how?

Impairs immune fxn in DM and non-DM pts

12

Prophy ABX for surgery?

1st or 2nd gen Cephalosporins

13

Contact isolation necessary for what microbes? (4)

MRSA (Methicillin Resistant Staph Aureus)
VRE (Vancomycin-Resistant Enterococci)
MDR (Multi-resistant G- bacilli)
C Diff

14

C Diff requires what particular precaution?

Handwashing w/ soap/H2O
Alcohol gels don't kill spores