Infection Flashcards
what is the main symptom in GI infections
diarrhoea
how will dehydration present
dry skin/lips, low blood pressure, high heart rate, low urine output
what type of organism is cyclospora cayetanensis
parasite
how is cyclospora cayetanensis transmitted
fecal-oral
what are the symptoms of infection with cyclospora cayetanensis
anorexia, nausea, watery diarrhoea, fatigue, pain
what is the treatment for cyclospora cayetanensis normally
supportive - fluid dehydration, pain medication
what is the treatment of cyclospora cayetanensis in immunocompromised patients
trimethoprim-sulphamethoxazole
what type of organism is campylobacter
gram negative bacteria
how is campylobacter transmitted
contaminated food/water, direct contact with farm animals
what animal is campylobacter usually found in
normal flora of poultry
what are the symptoms of infection with campylobacter
vomiting, bloody diarrhoea, pain, fever
what are the acute complications of campylobacter
cholecystitis, peritonitis, rash, sepsis, pericarditis
what are the chronic complications of campylobacter
reactive arthritis and Gullain-Barre syndrome
what is Gullain-Barre syndrome
where theres muscle paralysis
what is the treatment for campylobacter
supportive
what type of organism is shigella
gram negative, rod shaped bacteria
what is the transmission of shigella
fecal-oral
describe the mechanism of the shigella infection
invades epithelia lining of colon - it reproduces in the cell and forms mucosal abscesses - it then invades neighbouring cells
give a virulence factor of shigella
it produces the exotoxin, Shiga toxin
what are the symptoms of shigella
bloody diarrhoea, pain, vomiting, fever and nausea