Infections and Wound Care

Question 1

Difference between clinical appearance of Staph and Strep

Answer 1

Staph - Purulence and localized erythema

Strep - NO purulence but has lymphangitis

Question 2

Piperacillin class

Answer 2

4th Gen PCN

Question 3

What is tazobactam

Answer 3

Beta lactamase inhibitor

Question 4

Gram stain of C. perfringens

Answer 4

G+ anaerobe

Question 5

Unasyn dosing

Answer 5

3g q6 IV for broad spectrum or anaerobes

Question 6

Augmentin dosing

Answer 6

500 mg PO BID

Question 7

What is a terminal Syme amputation and its side effects

Answer 7

Amputation of a lesser digit via a racquet style incision

Deviation of lesser toes

Question 8

Treatments for MSSA cellulitis

Answer 8

Penicillin
Levaquin
Clindamycin

Question 9

Clindamycin class

Answer 9

Lincosamide

Question 10

Tetracycline side effects

Answer 10

Photosensitivity

Teeth staining

Question 11

Alternative for Zosyn due to PCN allergy

Answer 11

Ciprofloxacin

Question 12

Cephalosporin with pseudomonas coverage

Answer 12

Cefepime

Question 13

How is Charcot distinguished from Osteomyelitis using ESR/CRP

Answer 13

Charcot - Increase in ESR only

Osteo - increase in Both ESR/CRP

Question 14

Microbe causing erythrasma

Answer 14

Corynebacterium minutissimum

Question 15

Clinical definition of septic shock

Answer 15

Sever sepsis with hypotension despite fluids

Question 16

Antibiotics metabolized by liver

Answer 16

Linezolid
Clindamycin
Erythromycin
Doxicycline

Question 17

Zosyn dosing

Answer 17

3.375g IV q6 (2.25 g for renal)

Question 18

Microbe causing necrotizing fasciitis?

Answer 18

Strep pyogenes

Question 19

Strep pyogenes tx

Answer 19

Vanco
Zosyn
Clinda

Question 20

Osteomyelitis on MRI

Answer 20

T1 - hypointense

T2 - hyperintense

Question 21

Pre op antibiotic dosing with PCN allergy alternatives

Answer 21

Ancef 2g 1 hour prior

Clinda 900mg q6 or vanco 15mg/kg

Question 22

3 pathologies that are green on Wood’s lamp

Answer 22

Microsporum
Tinea capitis
Pseudomonas

Question 23

What are xanthomonas and how do you treat

Answer 23

Gram negative bacteria causing plant diseases

Bactrim

Question 24

Yellow under woods lamp

Answer 24

Tinea versicolor

Question 25

Eichenholtz classification for Charcot on radiograph

Answer 25

0 - none 1 - Fragmentation, debris, subluxation 2 - resorption, fusion 3 - remodeling with decreased sclerosis

Question 26

Antibiotic that is synergistic with aminoglycosides

Answer 26

Beta lactams

Question 27

Disulfuram reaction symptoms and cause

Answer 27

Metronidazole (Flagyl) N/V, tachy, SOB

Question 28

Inflammatory, proliferative, and remodeling phases of wound healing

Answer 28

1) Inflammatory - clotting cascade, vasoconstriction followed by vasodilation, HISTAMINE RELEASE 2) Proliferative - macrophage, collagen, growth factors 3) Remodelling - macrophages

Question 29

Accuracy of probe to bone test in Grayson? Armstrong/Lavery?

Answer 29

89% PPV 57% PPV Better test for exclusion

Question 30

Antibiotic that can cause fever

Answer 30

Cephalosporins

Question 31

Blood culture proper technique

Answer 31

2 sites 20 minutes apart

Question 32

Common bacteria causing skin infection

Answer 32

S. aureus GBS

Question 33

Abx of choice for pseudomonas and PCN allergy alternative

Answer 33

Ciprofloxacin PCN: azteronam

Question 34

PCN allergy alternatives

Answer 34

Clinda | Vanco

Question 35

MRSA treatments

Answer 35

``` Bactrim Linezolid Dapto Doxy Clinda ```

Question 36

VRE tx

Answer 36

Linezolid (zyvox)