Zusammenfassung der Ressource
Diarrhea
- Acute
- Duration of symptoms is <14 days
- Persistent (>14 days)
- Chronic (>4 weeks)
- History: identifying pathogen
- Alternative water sources, consumption of raw or undercooked meat, raw
seafood (Vibrio), unpasteurized milk (E. coli, Salmonella, campylobacter)
- Travel to undeveloped area (wide range pathogens)
- Unwell patient contacts (Shigella, E.coli, Salmonella, Campylobacter, Giardia)
- Recent hospitalisation or antibiotics (C.difficile)
- Swimming in fresh water lake, swimming pools (E.
coli, Salmonella, Camylobacter, Cryptosporidium)
- Viral causes
- Probably the most common cause of infectious diarrhea
- Rotavirus is a common cause of diarrhea in infants and young children
- Norovirus is frequently implicated in outbreak situations
- C. difficile is tha major identifiable cause of antibiotic-associated diarrhea
- Prevalence of asymptomatic colonization of the bowel ranges
from <5% in the community to over 20% in hospitalized patients
- Listeria monocytogenes
- Diagnosis requires blood cultures
- Infection can cause febrile gastroenteritis
accompanied by bacteremia and sometimes meningitis
- Campylobacter
- Sources of infection
- Contaminated food or water, in particular
undercooked chicken or other meats
- Incubation period
- 1 to 10 days (usually 2 to 5 days)
- Symptoms
- Watery or bloody diarrhea
- Abdominal pain and nausea
- Headache
- Fever
- Organism survival
- Survive better in food under refrigeration than at room temperature
- Treatment
- Usually none, but fluids may be given
- Salmonella
- Sources of infection
- Undercooked food e.g. chicken, eggs and meat
- Incubation period
- 6-48 hours
- Symptoms
- Diarrhea, abdominal pain, vomiting,
nausea and fever lasting 1-7 days
- Organism survival
- Giardia/Cryptosporidium
- Treatment
- Organism survival
- Symptoms
- Incubation period
- Sources of infection
- E coli 0157:H7
- Sources of infection
- Incubation period
- Symptoms
- Organism survival
- Treatment
- Shigella
- Treatment
- Organism survival
- Symptoms
- Incubation period
- Sources of infection
- Yearsinia
- Treatment
- Usually self-limiting, antibiotics do not reduce the severity or duration of the illness
- Organism survival
- Symptoms
- Abdominal pain, diarrhea, nausea and vomiting
- Headache
- Fever
- Incubation period
- Approximately 7 days
- Sources of infection