Term
Treatment for tuberculosis |
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Definition
* Isoniazid
* Rifampin
* Ethambutol
Mnemonic: Get irate about tuberculosis; treat it with IRE. |
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Term
Rifampin mechanism of action and side effects |
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Definition
* Inhibit DNA-dependent RNA polymerase (RNA pol II)
* Induce CYP |
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Term
Isoniazid mechanism of action and side effects |
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Definition
* Inhibit mycolic acid synthesis
* Hepatic and peripheral nerve toxicity |
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Term
Ethambutol mechanism of action and side effects |
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Definition
* Inhibit mycolic acid synthesis
* Ocular toxicity (red-green issues) |
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Term
Common etiological agent of chronic unilateral adenitis in children |
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Definition
Mycobacterium avium complex |
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Term
Effect of Mycobacterium avium complex on patients with AIDS |
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Definition
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Term
Treatment of Mycobacterium avium complex |
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Definition
* Azithromycin
* Rifampin-like drugs |
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Term
Organs affected by M. leprae |
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Definition
Cold surfaces:
* Peripheral nerves
* Skin
* Mucous membranes |
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Term
Which mycobacterial disease is known to affect armadillos? |
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Definition
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Term
Type of immune response to lepromatous leprosy |
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Definition
Humoral (little cell-mediated response) |
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Term
Characteristics of lepromatous leprosy |
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Definition
* Diffuse or nodular lesions
* Sensory loss (due to nerve damage)
* Mostly humoral immune response
* Many acid-fast bacilli (AFBs) |
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Term
Characteristics of tuberculoid leprosy |
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Definition
* Few, well defined lesions
* Few acid-fast bacilli (AFBs)
* Mostly cell-mediated immune response
* Spontaneous regression common in children (90%) |
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Term
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Definition
* Rifampin-like drugs (RNA pol II inhibitors)
* Dapsone (folate synthesis inhibitor) |
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Term
Characteristics of mycobacteria |
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Definition
* Acid-fast
* Strict aerobe
* No capsule
* Intracellular survival
* Slow growth |
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Term
Characteristics of Actinomycetes |
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Definition
* Gram-positive, weakly acid-fast
* Anaerobic
* Long, branching filaments
* A. israelii is normal mouth flora |
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Term
Disease characterized by cervicofacial disease, firm nodules, and pus containing sulfur granules. What's it called and how is it treated? |
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Definition
Actinomycosis; treated with long course of penicillin |
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Term
Characteristics of Nocardia |
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Definition
* Gram-positive; weakly acid-fast
* Aerobic |
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Term
Opportunistic bacterial infection that presents with skin nodules, pneumonia, and brain abscesses. What's it called and how is it treated? |
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Definition
Nocardia; treat with long course of sulfonamides |
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