This category of antibiotics causes more episodes of C diff colitis than any other
What are penicillins?
This category of E coli is commonly associated with traveler's diarrhea
What is ETEC (Entero-Toxigenic E coli)?
This organism is the most common cause of profuse vomiting within 6 hours of ingesting contaminated food
What is Staph aureus?
- Pre-formed S. aureus enterotoxin causes GI symptoms
- Classically occurs at a picnic after eating spoiled egg salad
This is most common international cause of diarrhea in children <5 years old
What is Rotavirus?
This is the most important test for diagnosing typhoid fever
What is a blood culture?
IDSA guidelines recommend against testing for C diff colitis in children <1-2 years old for this reason
The vast majority of positive tests are due to colonization, with very low likelihood of an active infection
This geographic region has seen a surge in antibiotic-resistant bacterial gastroenteritis
What is south Asia (i.e. India and surrounding countries) / southeast Asia?
- Pathogen: Quinolone-resistant Campylobacter
This pathogen may cause diarrhea 12 hours after eating re-heated chinese food
What is B. cereus?
This GI pathogen is the most common cause of aseptic meningitis in children
What is enterovirus?
These cells are frequently found on the peripheral blood smears of patients with HUS
What are schistocytes?
This diagnostic assay is the most sensitive for detecting the presence of C. difficile in the GI tract
What is the GDH (Glutamine dehydrogenase) ELISA?
- Other tests: C diff toxin PCR, C diff toxin ELISA
Infection with this organism may result in a rash, typically 7 days after symptoms begin
What is Salmonella typhi?
This pathogen may cause a flu-like illness and diarrhea after eating queso fresco
What is listeria monocytogenes?
GI reactivation of this virus can be fatal among organ transplant recipients
What is CMV?
Antibiotic treatment of bacterial diarrhea increases the risk of this public health issue
(Not antibiotic resistance or C diff)
What is prolonged bacterial shedding?
This novel antibiotic has replaced metronidazole (Flagyl) as first line treatment of C diff colitis in adults
What is fidaxomicin (Dificid)?
These are the two types of vaccines available for prevention of typhoid fever
What are:
1) Injectable inactivated S. typhi vaccine (2 years and older, re-dose every 2 years)
2) Oral live S. typhi vaccine (6 years and older, re-dose every 5 years)
This medication may be helpful for a patient with weeks of infectious diarrhea following a recent camping trip
What is metronidazole / Flagyl?
This pathogen may become aerosolized in vomit and diarrhea (i.e wear a mask when you clean it up). Yum.
What is norovirus?
Name the one bacterial species found in the US that is likely to benefit the most from antibiotic therapy
What is Shigella?
- Unless severe, generally don't treat E coli, Campylobacter, or non-typhoid Salmonella
- Avoid treatment of STEC
- Do treat Salmonella typhi & cholera
This novel therapy has become frequently used for treatment of relapsing C diff colitis
What is fecal microbiota transplant (FMT)?
This classic motto provides instructions for keeping travelers safe from infectious diarrhea
What is:
"Boil it, cook it, peel it, or forget it"
This pathogen is known cause diarrhea after eating contaminated raw oysters
What is vibrio parahaemolyticus?
This is a common cause of prolonged diarrhea following a viral gastroenteritis episode
What is post-gastroenteritis lactose-intolerance?
Special staining is needed to identify this gastrointestinal parasite:
What is cryptosporidium parvum?