Case Study

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F For a more comfortable homework help experience, try Case 1 (3) A 35-year old man had not been feeling well for a few days with nonspecific aches and pains in his joints and a slight headache. He attributed this to a barbecue he had attended a few days previously, where he also drunk a considerable amount of alcohol. The following day he felt considerably worse with severe colicky abdominal pain, and bloody diarrhea, going to the bathroom 10 times during the day. This persisted overnight and he went to the local E.R. On examination he was noted to be dehydrated and rather pale. He was admitted to the hospital for intravenous rehydration, and blood and fecal samples were sent for culture. He was started on antibiotics, and over the subsequent days he improved with lessening of the symptoms and was discharged home. Some weeks later he began to develop weakness in his feet, which gradually affected his legs. He contacted his primary care physician who admitted him to hospital. Over the subsequent few days, the paralysis affected his upper leg muscles, and gradually over the ensuing weeks slowly resolved with treatment. Fecal culture on selective medium incubated at 42 C in a microaerophilic environment revealed a small, oxidase positive colony that Gram stained revealed to be a small, curved/gullwing Gram negative rod. 1.What is the causative agent? (Genus and species, no abbreviation) 2. What is the disease pathogenesis? 3. How is the disease treated? Case 2 (5) An elderly lady, of no fixed abode, arrived at the hospital’s E.R. after having fallen. She was admitted for fixation of a hip fracture . Shortly after admission she developed signs of a chest infection and was started on a cephalosporin, which she remained on for a week. Subsequently she developed profuse watery diarrhea and abdominal pain. A

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