Cases 2 Flashcards
What are the common viral causes of oral enteritis?
Norovirus
What are the three characteristics that differentiate salmonella and shigella?
Salmonella:
- H2S fermentation
- Motile
- Oxidase positive***
What is the treatment for salmonella?
supportive–NO anti-diarrheal or abx
Why are abx contraindicated for salmonella infection?
prolongs fecal shedding
What are the fast lactose fermenters? (3)
Klebsiella
E. eoli
Enterobacer
What are the non-lactose fermenters? (4)
Shigella
salmonella
Proteus
Pseudomonas
What are the 2 slow lactose fermenters?
What is the morphology of vibrio cholera?
Comma shaped, gram negative
What species of e.coli causes HUS?
0157:H7
What are the three “curved” gram negative rods?
Campy
Vibrio
Helicobacter
Reheated rice?
Bacillus cereus
Canned food?
Clostridium botulinum
Mayo food poisoning?
Staph Aureus
Gas gangrene or raw chicken food poisoning?
Clostridium perfringens
What type of diarrhea: cryptosporidium?
watery
What type of diarrhea: entamoeba histolytica?
Bloody
What type of diarrhea: giardia?
Fatty
What are the causes of the common cold? (3)
Rhinovirus
Coronavirus
Adenovirus
What is the cause of croup?
Parainfluenza virus type 1
What is the treatment for RSV?
Watchful waiting/supportive
What is the most common type of bacteria that causes empyemas?
Anaerobes
What is the causative agent of chancroid?
Haemophilus ducreyi
What is the r/o test for herpes?
Tzanck smear
What is the r/o test for syphilis?
VRDL
What are the histological findings of a positive tzanck smear?
Multinucleated giant cells
What is the best way to diagnose chanchroid?
Serology
What is the treatment for chancroid?
Macrolide
What is the causative agent of granuloma inguinale?
Klebsiella granulomatis
What are the two most common causative agent of cellulitis?
Staph aureus
Strep
What is the role of a Tc bone scan?
Visualizes where bone is being resorbed
What is the treatment for osteomyelitis?
Surgical drainage or debridement, abx for weeks
