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76 Cards in this Set
- Front
- Back
What are the ssx of ecthyma gangrenous? |
1. Vesicle--> hemorrhagic pustule--> necrotic ulcer 2. Must assume pseudomonas sepsis |
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How do you tx ecthyma gangrenosum? |
1. Aminoglycoside + Piperacillin |
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What are the MCC of toe-web infection? |
1. Proteus 2. E. coli 3. Pseudomonas |
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What is the MCC of green nail syndrome? |
1. Pseudomonas 2. Seen in people who chronically have their hands in water |
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How do you tx green nail syndrome? |
1. Benzoyl peroxide 2. Acetic acid soak |
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What are the ssx of hot tub folliculitis? |
1. 1-4 days after exposure 2. Follicular pustules |
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What is the risk of hot tub folliculitis? |
1. Malignant external otitis |
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What is the MCC of hot tub folliculitis? |
1. Pseudomonas |
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How do you tx hot tub folliculitis? |
1. Cipro |
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What are the ssx of meningococcemia? |
1. Hemorrhagic macules on palms and soles 2. Flu-like ssx 3. Angular infarcts with erythematous rim and gun-metal gray interior |
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What are the major categories of TB? |
1. Exogenous 2. Endogenous 3. Hematogenous 4. Tuberculids |
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1. Positive PPD |
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What are the ssx of primary inoculation TB? |
1. Occurs at inoculation site of TB-free person 2. Tuberculous chancre 3. Regional LAD |
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What are the ssx of TB verrucosa cutis? |
1. Exogenous inoculation---- Prosector's wart 2. Usually on doors of hands and fingers, buttocks, and ankles |
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What are the ssx of scrofuloderma? |
1. Direct extension to skin from underlying tuberculous lymphadenitis 2. Occurs over cervical lymph node,s bone, and joints |
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What are the ssx of TB cutis orificialis? |
1. Occurs at mucocutaneous borders of nose, mouth, tongue, anus, urinary meatus, and vagina 2. Autoinoculation from underlying active TB 3. Non-healing ulcer |
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What are the ssx of lupus vulgarism? |
1. Hematogenous TB 2. Distant metastasis 3. Apple-jelly color when blanched 4. MC in head and neck region |
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What are the ssx of military TB? |
1. Fulminant TB of lungs or meninges 2. MC in AIDS patients |
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What are the ssx of metastatic TB abscess? |
1. Hematogenous spread 2. Firm, non0-tneder erythematous nodules 3. Chronic mastitis with abscess and sinus formation |
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How do you tx TB? |
1. RIPE 2. Multidrug chemotx 3. Surgical excision |
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What is the MCC of mycobacterial infection of skin in the US? |
1. M. marinum |
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What is the MCC of swimming pool granuloma? |
1. M. marinum |
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What are the ssx of swimming pool granuloma? |
1. Small papule with sporotrichoid pattern spread 2. Synovitis 3. Draining sinuses |
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How do you tx swimming pool granuloma? |
1. Excision 2. Minocycline |
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What is the MCC of buruli ulcer? |
1. M. ulcerans |
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What are the ssx of buruli ulcer? |
1. Solitary hard painless subQ nodule that ulcerates and becomes undermined |
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How do you tx buruli ulcer? |
1. Excision 2. Rifampin and amikacin or ethambutol with bacterium |
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How do you dx Hansen's disease? |
1. Fite Faraco stain 2. Slit smears of skin and stain 3. Found in smear---- multibacillary 4. Negative skin and smear--- paucibacillary |
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What is the difference between paucibacillary and multibacillary leprosy? |
1. Paucibacillary-- strong cell-mediated response (tuberculoid) 2. Multibacillary-- inadequate response (lepromatous) |
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What is the MC primary clinical manifestation of leprosy? |
1. Numbness in cool areas of body 2. Solitary, ill-defined hypo pigmented macule
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What are the ssx of tuberculoid leprosy? |
1. Hypopigmented or erythematous 2. Hairless, dry 3. Saucer right side up lesion 4. Face, limbs, and trunk |
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What is the nerve involvement of tuberculoid leprosy? |
1. Proximal peripheral nerves enlarged--- greater auricular, superficial peroneal |
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What are the ssx of borderline lepromatous leprosy? |
1. Symmetrical numerous lesions--- too many to count 2. Small lesions outnumber larger borderline like lesions 3. Later nerve involvement |
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What are the ssx of lepromatous leprosy? |
1. No change in skin texture 2. Pale lepromatous macule with numerous bacilli in lesions 3. Small and numerous lepromatous macules 4. No loss of sensation over lesions 5. Hair loss of later 1/3 of eyebrows |
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Lepromatous leprosy:
Leonine facies, madarosis, saddle nose, blindness |
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Wha tis the histological hallmark of leprosy? |
1. Neurotropism |
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1. Tuberculoid leprosy--- granuloma following nerve course |
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How do you tx paucibacillary leprosy? |
1. Rifampin 2. Dapsone
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How do you tx multibacillary leprosy? |
1. Dapsone, clofazamine, and rifampin |
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What are the ssx of N. gonorrhoeae infection? |
1. Fitz-Hugh-Curtis 2. Ophthalmia neonatorum 3. Arthritis dermatosis--- tender pusutle on distal extremities |
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How do you tx gonococcal infections? |
1. Ceftriaxone/cefepime 2. Azithro or doxy for chlamydia |
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What is the vaccine for gonococcal infections? |
1. Polyvalent vaccine |
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What is the MCC of granuloma inguinale? |
1. Klebsiella granulomatis |
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What are the ssx of granuloma inguinale? |
1. Esthiomene: pseudo elephantiasis of genitals |
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What are the MCC/ssx of chancroid? |
1. MCC: H. ducreyi 2. Unilateral painful adenitis: bubo 3. Phagedena--- spreading/sloughing ulceration, gangrenous balanitis |
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What are the MCC/ssx of lymphogranulom venereum? |
1. C. trachomatis 2. Ssx: Herpetiform ulcer, bubos, fistulas |
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How do you tx lymphgranuloma venereum? |
1. Doxycycline |
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What are the ssx of vibrio vulnificus infection? |
1. Get from fish, shellfish, raw oyster 2. Hemorrhagic bullae, petechiae, purpura 3. MC on lower extremity |
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How do you tx vibrio vulnificus infection? |
1. Tetracycline |
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What is the MCC/ssx of malakoplakia? |
1. MCC: E. coli 2. Ssx: Non-sepcific cutaneous lesion 3. Usually in IC |
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How do you tx malakoplakia? |
1. Quinolones 2. Bactrim 3. Clofazimine |
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What is the MCC/ssx of rhinoscleroma? |
1. K. pneumoniae 2. Chronic granulomatous disease of nose-- rhinos, proliferative, fibrotic 3. Extensive mutilation 4. Hebra nose--- large nose |
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What are the histiologic signs of rhinoscleroma? |
1. Mikulicz's cells--- parasitized histiocytes 2. Russell bodies--- eosinophilic bodies inside |
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How do you tx rhinoscerloma? |
1. Fluoroquinolones |
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What are the ssx of cat scratch disease? |
1. Epitrochlear/axillary LAD |
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How do you tx cat scratch disease? |
1. Bactrim/erythromycin |
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What are the MCC of bacillary angiomatosis? |
1. B. henslae 2. B. quintana |
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1. Bacillary angiomatosis |
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What are the MCC of epidemic typhus? What is the vector? |
1. R. prowazekii 2. Vector= pediuclus humansu var corporis--- body louse |
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What are the ssx of epidemic typhus? |
1. Gangrene of gainers, toes, ears 2. Fever, HA, myalgia, hypotension |
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What are the ssx of murine typhus? MCC? |
1. MCC: R. typhi--- rat flea 2. Gangrene of gainers, toes, ears 3. Fever, HA, myalgia, hypotension
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What is the MCC of scrub typhus? Vector? |
1. R. tsutsugamushi--- chigger |
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What are the ssx of scrub typhus? |
1. High fever, HA 2. Rash begins on day 5 3. deafness if untreated |
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How do you tx scrub typhus? |
1. Tetracycline |
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What are the vectors/MCC of RMSF? |
1. Wood tick--- D. andersoni 2. Dog tick--- D. variabilis 3. Lone star tick--- amblyomma americanum |
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What are the ssx of RMSF? |
1. Petechial eruption on ankles, wrists, spread towards trunk |
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What is the main complication of RMSF? |
1. Nephritis |
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What is the MCC of rickettsialpox? Vector? |
1. R. akari 2. Vector: Rodent mite |
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How do you dx/tx rickettsialpox? |
1. Dx: Weil-Felix negative 2. Tx: tetracyclines |
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What is the MCC/vector of erlichiosis? |
1. E. chafeensis 2. Vector=ambylomma americanum--- lonestar tick |
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What are the ssx of erlichiosis? |
1. Rash 2. Fever 3. Leukopenia/thrombocytopenia |
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What is the characteristic histology of erlichiosis?1 |
1. Mulberry-shaped intracyctoplasmic Microcolonies on giemsa |
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What is the MCC of Lyme disease? |
1. B. burgdorferi |
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What are the ssx of Lyme disease? |
1. Erythema migrans/flu 2. Bilateral Bells palsy, heart block 3. Arthropathy |
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How do you tx Lyme disease? |
1. Doxycycine 2. Ceftriaxone |
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What is the MCC/vector for the plague? |
1. Y. pestis 2. Xenopsylla cheopis |