UW bacterial gastroenteritis (S. aureus, campylobacter) 04-02 (2) Flashcards
also foodborne disease algorithm
UW. S. aureus. what other mo is vomiting-predominant?
Bacilus cereus
Bacilus cereus - reheated rice
S. aureus - dairy, egg, salads (iskaitant potato salad), mustard.
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UW. S. aureus. Dx?
CLINICAL
UW. S. aureus. TX?
supportive, fluids
UW. S. aureus. resolution?
24-48h
UW. S. aureus. why does not spread human to human?
because CP is caused by preformed enterotoxin
UW. S. aureus. and B. cereus = within hours of ingestion, vomiting predominant.
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UW. campylobacter. transmission?
via undercooked poultry
UW. campylobacter. CP?
Fever, abdominal pain, diarrhea (mucoid +/- blood)
Pseudoapendicitis (RLQ pain due to acute ileocecitis)
UW. campylobacter. Tx?
SUPPORTIVE (resolve <7d)
UW. campylobacter. Tx - when abs?
only in severe or high-risk cases (duration >7d; bloody stools; high fevers; patients who are pregnant; immunocompromised, or elderly)
UW. campylobacter. Complications? 2
Gullain-Barre syndrome
Reactive arthritis
UW. campylobacter. MUCOID DIARRHEA + low grade fever
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UW. campylobacter. other spread than puoltry?
contaminated water or contact with animal (eg dog, cat)
UW. campylobacter. self-limited
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UW. campylobacter. in what patients stool culture obtained?
inflammatory diarrhea. (nu tiesiog kai severe disease, >7d)
UW. bacterial gastroenteritis. when should be suspected?
BLOOD OR MUCUS
UW. bacterial gastroenteritis. when suspected what is waranted?
STOOL STUDIES (multiplex PCR testing, culture)
UW. bacterial gastroenteritis. if mild symptoms, Tx?
supportive (oral rehydration) + close followup
UW. bacterial gastroenteritis. why empiric abs not recommended?
incr. risk for HUS, if the causative pathogen is high-risk STEC (ie Ecoli O157:H7)
UW. bacterial gastroenteritis.
Severe illness (eg, prolonged symptoms, hemodynamic instability) due to bacterial gastroenteritis caused by certain pathogens (eg, Salmonella) may require antibiotic therapy to decrease illness duration and severity. In addition, those with high-risk STEC often warrant hospitalization with aggressive fluid administration to decrease the risk of HUS.
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UW. bacterial gastroenteritis. For tx zymejau ultrasound - wrong. Do if intussusception suspected, o ne tiesiog kad diarrhea
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