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Rickettsia 3
Microbiology 1 - Rickettsia 3
Question | Answer |
---|---|
Rocky Mountain Spotted Fever | Rickettsia Rickettsii |
R. Rickettsii | 1st recognized as Rickettsial disease |
R. Rickettsii transmission | to humans by ticks |
R. Rickettsii incubation | 3-4 days |
R. Rickettsii Sx: | fever, headache, - rash develops extremities to trunk (rash due to damage of blood vessels) |
R. Rickettsii mortality w/no prompt treatment | 5-80% |
Trench Fever | Bartonella/Rochalimaea/Rickettsia Quintana |
Trech Fever aka | shinbone fever, 5 day fever, Polish-Russian Intermittent Fever, His-Werner Disease |
Trench fever predisposing factor | stress |
trench fever | culturable |
trench fever 1st seen in | WWI |
trench fever Sx | leg pain, exhaustion, depression |
Bartonellosis | Bartonella Bacilliformis |
Bartonellosis | 2 forms |
2 forms | Oraya Fever (Carrion's Disease) & Verruga Peruana |
Oroya Fever | Acute fatal fever w/severe anemia, develops in those w/no immunity |
Verruga Peruana | chronic, nonfatal skin disease, in those w/partial immunity |
Bartonellosis incubation | week to months |
Ehrilichiosis | Ehrlichia Canis |
Ehrlichia Canis | orginally in dogs |
Ehrilichiosis caused by | E. Canis & E. Chaffeenis |
Ehrilichiosis spread by | dog ticks & ioxedes (ticks that spread lyme disease) |
Ehrilichiosis Sx: | fever, headache, hepatitis, myalgia, NO RASH |
Ehrilichiosis Dx: | ehrlichial intracytoplasmic inclusions in WBCs |
Q-Fever | Coxiella Burnetti |
Q stands for | Query |
Q-Fever survives | outside cells |
Q-Fever transmitted by | droplet route & ticks |
Q-Fever survives in | wool, dried blood, water & milk |
Q-Fever has 2 forms | large & small |
Q-Fever enters human cells via | phagocytosis |
Q-Fever multiplies in | phagosomes |
Q-Fever affects | various parts of the body |
Q-Fever seen in areas | that raise cattle & sheep |
Q-Fever killed by | Flash Pasteurization (81degrees C for 15 seconds) |
Q-Fever Sx: | headache, chills, malaise, sweats (similar to primary atypical pneumonia) |
Q-Fever incubation | 18-20 days |
Q-Fever Treatment | tetracycline & Fluoroquinolone |
Q-Fever leaves | lifelong immunity |
Q-Fever has | vaccine available |
Untreated Q-Fever | can go into remission - cortisone can reactivate |
Q-Fever chronic cases | endocarditis & valve infections (can be fatal) |