Infection by systems (GI) Flashcards
-Salmonella species (S enteriditis is most common)
-Salmonella typhi (typhoid fever)
-Salmonella paratyphi
-Shigella species
-Campylobacter jejuni
-Vibrio species
are common organisms for ______ gastroenteritis.
Samples to send:
Bacteria;
Samples to send:
Stool for culture & sensitivity
_______ is an imported infection, not endemic in SG.
Must be treated with antibiotics.
Salmonella typhi (typhoid fever)
Clostridium difficile may lead to _______/_______
toxin megacolon/death.
Clostridium difficile sample to send
stool for C diff toxin
-Norovirus
-Rotavirus
-Adenovirus
are common organisms for ______ gastroenteritis.
Samples to send:
viral;
Samples to send: Stool for EIA or PCR
entamoeba histolytica, giardia lamblia, cryptosporidium, cyclospora, microsproridia are common organisms for ______ gastroenteritis.
Samples to send:
parasitic;
Samples to send: stool for microscopy OCP
If liver abscess is suspected with Entamoeba histolytica, send blood sample for: ____________ test
E histolytica antibody test
Is peritoneum sterile?
Yes usually
Peritonitis is usually due to
perforation of intestines or gall bladder
For:
- perforation of intestines/gall bladder/other organs within the abdomen
- SBP
- others eg. cholecystitis, liver abscess
What are the likely pathogens involved?
- Coliforms
- Pseudomonas aeruginosa
- Anaerobes
- Enterococci
- Candida (yeast)
For Peritonitis associated with peritoneal dialysis
What are the likely pathogens involved (other than those in the perforation conditions)?
- Members of the skin flora (usually Coag neg staph)
- Staph aureus
- Other environmental bacteria (because of the plastic tube)
Common pathogens found in____:
E coli
Enterococci
Yeasts
Upper bowel
Common pathogens found in \_\_\_\_: Bacteriocides Clostridium Bifidobacteria and eubacteria Actinomycetes
Lower bowel
Common pathogens found in \_\_\_\_: Staphylococci Streptococci Yeasts (esp candida) Micrococci
Skin flora
H pylori causes _______
PUD
Pharyngitis caused by group A strep: must treat with ____ to prevent complication
antibiotics
Complications following group A strep infection
- Rheumatic fever/ rheumatic heart disease
- Glomerulonephritis
Which of the following is NOT self-limiting?
- adenovirus
- salmonella typhi
- salmonella enteriditis
- campylobacter jejuni
salmonella typhi
Clostridium difficile: mode of transmission
- Antibiotic exposure (person to person)
- Contaminated hosp environment
What is the most common cause of uncontrolled diarrhoea in hosps?
Norovirus
What is the most common cause of infant/paeds diarrhoea?
Rotavirus
Top 2 most common pathogens in pharyngitis
MOST COMMON: viruses – self-limiting (eg. rhinovirus, CMV, enterovirus, adenovirus)
2nd most common: Group A strep
Pharyngitis caused by group A strep must treat with:
antibiotics
Complications following Grp A strep
- Rheumatic fever/ rheumatic heart disease
2. Glomerulonephritis
What is the most common Salmonella species?
S enteritidis
