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34 Cards in this Set
- Front
- Back
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HIV pt w/ low-grade fevers, cough, hepatosplenomegaly
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Lab findings- oval yeast cells w/in macrophages, Histoplama capsulatum, causes only pulmonary symptoms in immunocompetent hosts
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HIV pt w/fluffy white cottage-cheese lesion on oral mucosa
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C. albicans
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HIV pt w/ superficial vascular proliferation
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Lab finding- bx reveals neutrophilic inflammation. Bartonella henselae- causes bacillary angiomatosis
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HIV pt w/ superficial neoplastic proliferation of vasculature
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Lab finding- Bx reveals lymphocytic inflammation. HHV-8 (Kaposi's sarcoma)
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HIV pt w/ chronic, watery diarrhea
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Lab- acid fast cysts seen in stool. Cryptosporidium species
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HIV pt w/ meningitis
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Lab finding- india ink stain reveals narrow-based budding. Cryptococcus neoformans- may also cause encephalitis
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HIV pt w/ encephalitis
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due to reactivation of a latent virus, results in demyelination. JC virus- progressive multifocal leukoencephalopathy
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HIV pt w/ brain abscesses
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Many ring-enhancing lesions on imaging. Toxoplasma gondii
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HIV pt w/ retinitis
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cotton wool spots on funduscopic exam, CMV
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HIV pt w/ hairy leukoplakia
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Findings- usually on lateral tongue. EBV
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HIV pt w/ Non-Hodgkin's lymphoma (large cell type)
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Often on oropharynx (Waldeyer's ring. EBV
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HIV pt w/ Squamous cell carcinoma
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Often in anus (MSM) or cervix. HPV
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HIV pt w/ Interstitial pneumonia
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Bx reveals cells w/ intranuclear and cytoplasmic inclusion bodies. CMV
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HIV pt w/ pleuritic pain, hemoptysis
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Infiltrates on imaging. Invasive aspergillosis caused by Aspergillus fumigatus
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HIV pt w/ Pneumonia
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CD4 <200- Pneumoncystis jiroveci
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HIV pt w/ TB-like dz
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CD4 <50- Mycobacterium avium-intracellulare
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Unimmunized child w/ rash
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Rubella- beginning at head and moving down w/ postauricular lymphadenopathy. Measles- beginning at head and moving down, cough, coryza, conjunctivitis, Koplik spots
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Unimmunized child w/ meningitis
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H-influenzae type B- microbe colonizes nasopharynx. Poliovirus- can lead to myalgia and paralysis
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Unimmunized child w/ pharyngitis
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C. diphtheriae- grayish oropharyngeal exudate, may obstruct airway, sore throat. Diphtheria toxin can cause necrosis in cardiac and CNS tissue
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Unimmunized child w/ epiglottitis
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H. influenzae type B- can also cause epiglottitis in fully immunized children. Fever w/ dysphagia, drooling, and difficulty breathing due to edematous, "cherry red" epiglottis
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pus, empyema, abscess
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s. aureus
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pediatric infection
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H. influenzae
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Pneumonia in CF pt, or burn infection
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Pseudomonas
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Branching rods in oral infection, sulfur granules
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Actinomyces israelii
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Traumatic open wound
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C. perfringens
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Surgical wound
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s. aureus
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Positive PAS stain
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Tropheryma whippelii (Whipple's disease)
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Sepsis/meningitis in newborn
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GBS
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Health care provider
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HBV from needle stick
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Fungal infection in diabetic
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Mucor or Rhizopus
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Asplenic pts
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Encapsulated microbes esp. SHiN
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Chronic granulomatous dz
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Catalase positive microbes- S. aureus, Nocardia, Serrtia marascens, Pseudomonas cepacia, Aspergillus
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Neutropenic pts
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systemic Candida albicans
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Bilateral Bell's palsy
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Lyme disease- Borrelia burgdorferi
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