Miscellaneous Organisms Flashcards
Chlamydiaceae
non growth on conventional media - tissue culture (McCoy cells, gold standard for recovery)
Chlamydia trachomatis
ocular infectious, STI, lymphogranuloma venerum
demonstrates tissue tropism
Chlamydia psittaci
birds - outbreaks associated with turkeys
Ocular trachoma
WHO 5 stages - TF/TI/TS/TT/CO
Trachomatous inflammation follicular (TF)
presence of 5 or more follicles in the upper tarsal conjunctiva of at least 0.5mm
Trachomatous inflammation interne (TI)
pronounced inflammatory thickening of the tarsal conjunctiva that obscures more than half of the normal deep tarsal vessels
Trachomatous scarring (TS)
presence of scarring in the tarsal conjunctiva
Trachomatous trichiasis (TT)
at least one eyelash rubs on the eyeball or there is evidence of recent removal of in turned eyelashes
Corneal opacity (CO)
easily visible corneal opacity over the pupil
Chlamydia pneumoniae
old term TWAR
atypical pneumonia
82% population antibody (+)
Rickettsia rickettsii
Rocky Mountain spotted fever
Rickettsia prowazekii
Epidemic (louse borne) typhus
Rickettsia typhi
Murine typhus
Ehrlichia chaffeensis
infects human monocytic cells
Ehrlichia canis
infects canine monocytic cells