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Ricketts
MedMicro 2006 UTHSCmed
| Question | Answer |
|---|---|
| Rickettsia richettsii Shape | Small baacillus |
| Rickettsia richettsii Aerobicity | Aerobic |
| Rickettsia richettsii Reservoir | Rodent + tick |
| Rickettsia richettsii Diseases | Rocky Mt. Spotted Fever: classic triad (fever, headache, macular to petechial rash) |
| Rickettsia richettsiiLab diagnosis | Serrology (Weil Felix) |
| Rickettsia richettsii Treatment | Tetracycline or chloramphenicol |
| Rickettsia richettsii Prevention/Control | Avoid/control vector |
| Rickettsia richettsii NOTES: | Centripetal spread, acute; 20% mortality untreated. Obligate intracellular parasite. Notify CDC |
| R. akari Shape | Small bacillus |
| R. akari Aerobicity | Aerobic |
| R. akari Diseases | Rickettsial-pox, classic tread (fever, headache, papulovesicular rash) |
| R. akari Reservoir | Mouse + mite |
| R. akari Treatment | Tetracycline or Chloramphenicol |
| R. akari Prevention/control | Avoid/control vector |
| R. akari NOTES: | Biphasic infection mild disease. Obligate intracellular parasite. Notify CDC |
| R. prowazekii Shape | Small bacillus |
| R. prowazekii Aerobicity | Aerobic |
| R. prowazekii Reservoir | Humans + louse |
| R. prowazekii diseases | Epidemic typhus: acute treak w/maculopapular rash |
| R. prowazekii Lab Diagnosis | IFA, agglutination |
| R. prowazekii Treatment | Tetracycline or chloramphenicol |
| R. prowazekii Prevention/Control | Avoid/control vector; vaccine in epidemic |
| R. prowazekii NOTES: | Acute onset, can redrudesce (Brill-Zinsser), Obligate intracellular parasite, Notify CDC |
| R. typhi Shape | small bacillus |
| R. typhi Aerobicity | Aerobic |
| R. typhi reservoir | rodents + flea |
| R. typhi diseases | Endemic typhus: NO RASH, not acute, mild |
| R. typhi Treatment | tetracycline or chloramphenicol |
| R. typhi Prevention/control | Avoif/control vector |
| R. typhi NOTES: | Obligate Intracellular parasite, Notify CDC |
| Coxiella burnetii Shape | small bacillus |
| Coxiella burnetii Aerobicity | Aerobic |
| Coxiella burnetii Virlrlence Factors | spores |
| Coxiella burnetii Pathophysiology | Inhalation, dairy (unpasteurized) |
| Coxiella burnetii Reservoir | Animals, soil |
| Coxiella burnetii Diseases | Q Fever; acute or chronic; no rash; subacute endocarditis |
| Coxiella burnetii Traetment | Tetracycline (acute), rifampin + tet or TMP-SXT (chronic) |
| Coxiella burnetii Prevention/Control | Avoid/control vector; vaccine for high-risk |
| Coxiella burnetii NOTES: | Spore-forming; survives in macrophages. Obligate intracellular parasite, can surviveoutside of cell. Notify CDC |
| Enrichia Chaffeensis shape | Small bacillus |
| Enrichia Chaffeensis Aerobicity | Aerobic |
| Enrichia Chaffeensis Reservoir | Unknown + tick |
| Enrichia Chaffeensis Disease | ehrlichiosis: NO RASH, Decreased WBC and platelets; mono-or granulocytic |
| Enrichia Chaffeensis Specimen | blood |
| Enrichia Chaffeensis Lab Diagnosis | PCR, serology, blood smear |
| Enrichia Chaffeensis Treatment | Tetracycline or doxycycline |
| Enrichia ChaffeensisPrevention/control | Avoid/ control vector |
| Enrichia Chaffeensis NOTES: | Infects WBC's, Obligate intracellular parasite, Notify CDC |
| Bartonella henselae Shape | Short Bacillus |
| Bartonella henselae Aerobicity | Aerobic |
| Bartonella henselae temperature | body (37 C) |
| Bartonella henselae Reservoir | Cats + cat flea? |
| Bartonella henselae Diseases | Cat-Scratch disease: pustule, adenopathy, fever; angioproliferative |
| Bartonella henselae Lab Diagnosis | Culture, serology, histology, PCR |
| Bartonella henselae Treatment | No set treatment, long-term: rifampin, cipro, TMP-SXT, gentamicin |
| Bartonella henselae Prevention/control | Avoid/control vector |
| Bartonella henselae NOTES: | Lymphadenopathy/angioproliferation, Free-living, Notify CDC |
| B. quintana Shape | short bacillus |
| B. quintana Aerobicity | Aerobic |
| B. quintana Reservoir | Humans-louse |
| B. quintana diseases | Trench fever: fever, headache |
| B. quintana Lab diagnosis | Serology |
| B. quintana treatment | tetracycline or chloramphenicol |
| B. quintana prevention/control | Avoid/control vector |
| B. quintana NOTES: | free living, Notify CDC |