Bacterial and Viral Infxns

Question 1

Impetigo

Answer 1

Common, contagious infxn
Strep, staph or both
Common in kids
May cause post-strep glomerulonephritis

Question 2

Impetigo tx

Answer 2

Bactroban ointment

Question 3

Meningococcemia

Answer 3

Neiserria Meningitidis
Incidence in 6 mos - 3 yrs of age
Mid-winter, early spring
May cause lethal septic shock

Question 4

Meningococcemia S/S

Answer 4

High fever, tachycardia, hypotension, meningial irritation, acutely ill.
Rash

Question 5

Meningococcemia rash

Answer 5

2 - 10 mm macules/papules on trunk, lower extrimities, face, palate
Later on become purpura

Question 6

Meningococcemia tx

Answer 6

Cefotaxime
Ceftriaxone
Hemodynamic support

Question 7

Bacterial Endocarditis

Answer 7

Staph Auerus, Strep Viridans

Elderly, IVDU, fake valves

Question 8

Bacterial endocarditis s/s

Answer 8

Fever, chills, anorexia, malaise

Heart murmor, arterial emboli, splenomegaly

Question 9

Bacterial endocarditis Rash

Answer 9

Janeway lesions: nontender maculopapular lesions on palms and soles.
Osler’s nodes: painful, red nodules on fingertips
Splinter hemorrhage

Question 10

RMSF bug

Answer 10

Rickettsi rickettsii spirochete

May thru september

Question 11

RMSF rash

Answer 11

half get rash, 1-2 wks post bite
2-6 mm pink macules on extremities, spread centrally.
Evolves to papules and petechiae later

Question 12

RMSF tx

Answer 12

Doxy

Question 13

RMSF preg tx

Answer 13

Chloramphenicol

Question 14

Lyme buh

Answer 14

Boriella Burgdorferi spirochete

Question 15

Lyme dz rash

Answer 15

Bullseye

Erythema migrans

Question 16

Mild cellulitis tx

Answer 16

Bactrim, clinda, doxy (MRSA)

Keflex

Question 17

Complicated cellulitis tx

Answer 17

Admit for IV abx
Ancef
Rocephin
Zyvox

Question 18

Erysipelas

Answer 18

GABHS infection
Starts as St anthonys fire
More superficial than cellulitis

Question 19

St. Anthonys Fire

Answer 19

Reised, sharply demarcated lesions with advancing margins.

Seen in Erysipelas

Question 20

Erysipelas tx

Answer 20

PCN’s

Question 21

Human bites

Answer 21

Think about anaerobes
closed fist injuries
Tx w/ augmentin or clinda
Tetanus shot

Question 22

Dog and cat bites

Answer 22

Consider tetanus and rabies prophylaxis

Cat bites more likely to get infected

Question 23

Should dog and cat bites be closed?

Answer 23

On the face: yes

Often left open otherwise

Question 24

Dog and cat bite abx

Answer 24

Augmentin

Question 25

Necrotizing Fasciitis

Answer 25

Hemolytic streptococcal gangrene
Inflammatory infxn of deep fascia
Necrosis of subQ tissues
Spreads QUICKLY
38 - 44 yrs

Question 26

Hydranenitis Suppurativa

Answer 26

Chronic, suppurative dz of apocrine gland bearing skin.
Axilla and anogenital regions
Abscess formation, pain

Question 27

Hydranenitis Suppurativa tx

Answer 27

Intralesional glucocorticoids
PO steroids
Surgery as last resort
Oral abx

Question 28

Herpes tx

Answer 28

Cool compress
Dry lesions
Antiviral (topical and oral)’
Pain control PRN

Question 29

Varicalla (chicken pox) tx

Answer 29

Usually self-limiting
Benadryl for pruritis
Tylenol for fever

Question 30

Dew drop on a rose petal

Answer 30

Chicken pox (varicella)

Question 31

Zoster tx

Answer 31

Famvir, Valtrex ot acyclovir for 7-10 days
Burrows solution
Abx cream

Question 32

Molluscum contagiosum bug

Answer 32

Cox virus