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Infectious Diseases Fellowship at Indiana University

@febrilepodcast.com has best source #rickettsia #eschar tache noir not pathognomic for one particular rickettsia #idboardreview

diagnosis #rickettsialpox is clinical, treatment is doxycycline 100mg po bid x 5-7 days but can be self-limited.

#corynebacterium #jeikeium bacteremia and skin nodules in neutropenic patients with indwelling catheters

pic ref 10.7759/cureus.8764 and Ref pmc.ncbi.nlm.nih.gov/articles/PMC...

#Corynebacteria can cause sepsis in immunosuppressed host esp hematological malignancies. -Pulmonary infiltrates in about one-third of pts w/ hem malignancy+ C #jeikeium bacteremia. -Vancomycin is drug of choice as can prevent pulmonary infiltrates from developing

#idboadreview 55 M AML w/ R chest port s/p induction, neutropenia x12 days, now w/ 102F & is on cefepime. New tender, erythematous subcutaneous nodules on his trunk & extremities. Blood cultures Gram positive bacilli identified as corynebacterium, which species is likely? #idsky #idmeded #meded

#rickettsialpox #rickettsia #akari House louse mite: primary host are mice, but once they are eliminated due to rodent control: starving mites looks for new blood source and bite humans

#idboardreview 28 F recent rodent control in her NYC apartment building presents w/4-day high fever, chills, generalized rash. +non-tender eschar on back that appeared 1wk prior to systemic symptoms. +tender posterior cervical lymphadenopathy. normal wbc, mild inc LFTs, normal plt. Vector? #idsky

#Rickettsia #akari etiologic agent of #rickettsialpox. R. akari is transmitted by #houseMouseMite, Liponyssoides sanguineus. One week after a mite bite, a vesicle appears, which dries up, leaving an eschar. The rash is often papular but can also be vesicular Ref idimages.

10h

Infectious Diseases Fellowship at Indiana University