SketchyMicro Treatment Options

Question 1

Which Staph species are Coagulase (+) and which are Coagulase (-)?

Answer 1

Coagulase (+) = S. Aureus

Coagulase (-) = S. Epidermidis and S. Saprophyticus

Question 2

Are Staph specific Catalase (+) or Catalase (-) compared to Strep species?

Answer 2

Staph = Catalase (+)

Strep = Catalase (-)

Question 3

What is the difference between Group A Strep vs Group B Strep?

Answer 3

Group A = S. pyogenes

Group B = S. agalactiae

both encapsulated and B-hemolytic

Question 4

What is the most common cause of Neonatal meningitis and Neonatal sepsis?

Answer 4

Strep agalactiae = Group B Strep

Question 5

What kind of hemolysis due Strep pneumoniae and Strep viridans have?

Answer 5

ALPHA hemolytic strep

• vs S. pyogenes and S. agalactiae = BETA hemolytic

Question 6

What is the shape of S. pneumoniae?

Answer 6

LANCET-shaped DIPLOCOCCI

Question 7

What are two commonly used antibiotics in the treatment of S. pneumoniae?

Answer 7

Macrolides + 3rd Gen Cephalosporins

Question 8

What are the 3 most common causes of Neonatal Meningitis?

Answer 8

1. Strep agalactiae
2. E. coli
3. Listeria

Question 9

How is Listeria most commonly treated?

Answer 9

Ampicillin

Question 10

What antibiotics are used for treatment of Neisseria meningitidis and for PPx of close contacts?

Answer 10

Tx = Ceftriaxone

PPx = Rifampin

Question 11

What kind of diarrhea does EnteroHemorrhagic E. coli cause vs EnteroToxogenic E. coli?

Answer 11

EHEC = BLOODY diarrhea (Shiga-like toxin)

ETEC = WATERY diarrhea (“Traveler’s Diarrhea)

Question 12

Which organism, that can be found in pet poop and dairy products, causes bloody diarrhea and mimics appendicitis?

Answer 12

Yersinia Enterolytica

Question 13

What antibiotics are typically used to treat Yersinia infections? (2)

Answer 13

Aminoglycosides and Tetracyclines

Question 14

What antibiotics are used to treat and PPx H. flu patients/contacts?

Answer 14

Tx = Ceftriaxone

PPx = Rifampin

Question 15

Pneumonia + diarrhea and hyponatremia is most likely what organism?

Answer 15

Legionella

Question 16

What two antibiotics are commonly used to treat Legionella?

Answer 16

Macrolides and Fluoroquinolones

Question 17

What two antibiotics are commonly used to treat Bartonella henselae infections?

Answer 17

Doxycycline and Macrolides

Question 18

What is the empiric treatment for Pasturella infections?

Answer 18

Penicillin

Question 19

What are 4 common findings of congenital syphilis?

Answer 19

1. Saber Shins (anterior bowing)
2. Saddle Nose
3. Hutchinson Teeth/Mulberry Molars
4. Sensorineural hearing loss

Question 20

What is the treatment for Gardnerella vaginosis?

Answer 20

Metronidazole

Question 21

What two antifungals can be used to treat Histoplasma capsulatum, Blastomyces dermatitidis, and Coccidioides immitis infection?

Answer 21

Azoles and Amphoteracin B (severe)

Question 22

What is the treatment for Pityriasis Versicolor caused by Malassezia furfur?

Answer 22

Topical Selenium sulfide

Question 23

What is the difference in treatment for tinea infections vs onchomycosis?

Answer 23

Tinea = topical azoles

Nails = Terbinafine + Griseofulvin