Term
What is most at risk for Legionella? |
|
Definition
The elderly and immunosuppressed |
|
|
Term
Patholgenesis of Legionella? |
|
Definition
1. inhaled 2. Engulfed by macrophage 3. Survives and proliferates in phagosome 4. Infected macrophages secretes chemattractants |
|
|
Term
Treatment of mycobacterium leprae |
|
Definition
T. Leprosy: 1. Dapsone + rifampin for 6 months L. Leprosy: 1. Dapsone + Clofazimine for 2 yrs |
|
|
Term
Clinical Presentation & diagnosis of Lepromatous leprosy |
|
Definition
Grows on Low Temp areas of skin Presents: 1. Inflammation damage at skin, nerves and testes 2. Sensory loss 3. Lose nasal bone and septum Diagnosis 1. Ziehl-Neelsen stain |
|
|
Term
Clinical Presentation & diagnosis of Tuberculoid leprosy |
|
Definition
Grows on low temperature areas of skin 1. Flatten plaques on the face, trunk and limbs 2. PN invasion 3. Slow progression & healing 4. Localizes to superficial nerves leading to thicken nerves 5. Non-contagious Diagnosis: Biopsy of plaques |
|
|
Term
What's unqiue about the cell wall of mycobacterium? |
|
Definition
Cell wall has acetylmuramic acid instead of N-glycolylmuramic acid |
|
|
Term
|
Definition
RIPES: 1. Rifampin 2. Isoniazid 3. Pyrazinadmide 4. Ethambuol 5. Streptomycin |
|
|
Term
Symptoms of Reactivated TB |
|
Definition
Immunosuppressed 1. Persistent cough, fever, night sweats, loss of weight, tiredness 2. CXR: Cavities in the upper lobe (aerophilic) 3. Can disseminate |
|
|
Term
How does Primary TB present? |
|
Definition
1. Can by asymptomatic or fever & maliase 2. Infiltrates in lower lobes of lung 3. Ghon complex (Calcified tubercles w/ lymph nodes) |
|
|
Term
Distinguish M. tuberculosis from M. leprae biochemically |
|
Definition
M. Leprae grows at low temperatures |
|
|
Term
|
Definition
1. Pontiac fever: Flu like 2. Legionnaires disease: microabscesses seen on CXR |
|
|
Term
Charcteristics of Chlamydia |
|
Definition
1. Gram (-) intracellular bacteria 2. Infectious elementary body |
|
|
Term
What disease does C. trachomatis (A-C) cause? |
|
Definition
|
|
Term
C. trachmatis (A-C) is the number one cause of what? |
|
Definition
Blindness via corneal scarring |
|
|
Term
Treatment of C. trachmatis |
|
Definition
1. Deoxycycline 2. Azithromycin |
|
|
Term
What does C. trachmatis (L1-L3) cause and it's description? |
|
Definition
1. Lymphogranuloma Venereum 2. Painless papules that lead to swelling & tenderness of lymph nodes 3. Can lead to elephantiasis |
|
|
Term
How is C. trachomatis (L1-L3) contracted? |
|
Definition
|
|
Term
What does C. trachomatis increase the risk of due to PID? |
|
Definition
|
|
Term
Symptoms of C. trachmatis (L1-L3) |
|
Definition
Women: 1. Vaginal discharge 2. RUQ ab. pain 3. No organism on gram stain |
|
|
Term
Chlamydia replicates where? |
|
Definition
|
|
Term
From were does Chlaymdia gets it's energy from? |
|
Definition
|
|
Term
What disease does C. psittaci cause? |
|
Definition
|
|
Term
How does one get C. psittaci? |
|
Definition
Inhaling feces from infected birds |
|
|
Term
What disease can C. pneumoniae cause? |
|
Definition
|
|
Term
What are the symptoms of Atypical pneumonia? |
|
Definition
1. Nonproductive cough 2. Fever 3. Sore throat 4. CXR is patchy and anatomically confined |
|
|
Term
Clincial Presentation of Treponema palldium
|
|
Definition
Primary Syphilis: Painless Chancre Secondary: Maculopapular rash on palms & soles Tiertary: Gummas "granulomas soft tissue" |
|
|
Term
Where does Rickettsia replicate? |
|
Definition
|
|
Term
What disease does Rickettsia rickettsii cause? What are it's symptoms
|
|
Definition
Rocky Mountain spotted fever 1. Fever, headache 2. Maculopapular rash first on the plams & soles and then the trunk |
|
|
Term
Where are you more likely to contract Rocky Mountain Spotted Fever?
|
|
Definition
U.S. southern appalachian by ticks |
|
|
Term
What to you treat Rocky mountain spotted fever? |
|
Definition
Tetracycline & Chloramphenicol think "Ricki TiCki" |
|
|
Term
What does R. rowazeki cause and it's symptoms |
|
Definition
Epidemic Typhus 1. Fever, headache, chills, malaise 2. Rash starting on the trunk spreading out to the palms and soles |
|
|
Term
How do you contract Epidemic Typhus? |
|
Definition
Poor living conditions and sanitation 1. Transmitted by body louse |
|
|
Term
What does R. typhi cause? what are it's symptoms? |
|
Definition
Endoemic Typhus 1. Fever, headache, maculopapular rash |
|
|
Term
What disease does Coxiella burnetti cause? what are it's symptoms
|
|
Definition
Q fever
1. Fever, incubation, chills, headache
|
|
|
Term
How is Q fever transmitted?
|
|
Definition
Cattle 1. Shed in feces 2. Survives as a spore 3. Spore is inhaled |
|
|
Term
What organisms are the common causes of Atypical pneumonia?
|
|
Definition
Mycoplasm Legionella Chlaymdia Viruses |
|
|
Term
What's the common cause of pneumonia in adults? |
|
Definition
Mycoplasm C. pneumoniae S. pneumoniae |
|
|
Term
How is Lyme disease transmitted?
|
|
Definition
Borreila burgdorferi is transferred from mice to human via tick
|
|
|
Term
Name the 3 stages of lyme disease?
|
|
Definition
Stage 1 Erthema chronicum migrams: Red surrounding a clear bite mark Stage 2 Disseminated spirochetes proliferate leads to damages to CNS, heart Stage 3 Inflammatory damage to joints, brain |
|
|
Term
What's the treatment for lyme diesase? |
|
Definition
Doxycycline and for later stagesc ceftriaxone |
|
|