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44 Cards in this Set
- Front
- Back
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Pharyngeal gray pseudomembrane
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Diptheria
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Koplik spots- grains of sand on an erythematous base (blue-white buccal lesions).
DX? |
Measles (Rubeola)
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Gram (+), encapsulated, box-shaped rods in chains
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Anthrax (Bacillus anthracis)
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Intracytoplasmic inclusions ("owl's eyes") on tissue biopsy.
"Pizza pie" (neovascularization with proliferation) on fundo exam. or "brushfire" appearance in an HIV pt DX? |
CMV
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"floppy baby syndrome"
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Botulism
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Rose spots after initial infection symptoms.
(+) Widal agglutination test |
Typhoid fever
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"whirlpool" of intraluminal worms on KUB
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Ascariasis
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Pear-shaped trophozoites with 2 nuclei and 4 flagella
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Giardia
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Multiple ring-enhancing lesions of brain CT or MRI in an HIV pt or pregnant woman who ownes a cat
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Toxoplasmosis
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(+) heterophil antibodies
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Mononucleosis
mono-spot test |
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Negri bodies on brain tissue
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Rabies
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Vesicular rash at different stages.
"dew drops on a rose petal" |
Chicken pox (Varicella)
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Coral red fluorescence with Wood's lamp
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Erythrasma
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Encapsulated organisms on India Ink
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Cryptococcus neoformans
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"Fungus ball" on CXR, or may show a "halo sign"
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Aspergillus fumigatus pneumonia
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Cafe au lait spots and rubbery skin nodules
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Neurofibromatosis
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(+) scotch tape test
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Pinworms
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Clear vulvar vesicles, ingunal LAD, Tzank smear- giant multinucleated cells.
DX? |
Herpes virus
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Acetowhitening is used to make these lesions more visible
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condylomata acuminata (anorectal warts from from HVP)
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Sandpaper rash, circumoral pallor, strawberry tongue, pastia's lines and positive ASO titer.
DX? |
Scarlet fever (Group A strep)
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Painless, black escar with red, pearly edge
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Cutaneous anthrax
due to exposure to wool |
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CXR shows widened mediastinum due to perihilar LAD and hemorrhagic lymphadenitis
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Inhalation anthrax
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"rice water stool"- gray, turbid, and without odor, blood, or pus
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Cholera from Vibrio cholerae
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Fever in a returning traveler with just abdominal pain first. Then develops "pea soup" diarrhea, "rose spots" may develop.
Fever, N/V, bloody diarrhea that begins 8-48hrs after eating. |
Typhoid fever (enteric fever) caused by Salmonella typhi
Gastroenteritis caused by Salmonella typhimurium |
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Presents as bloddy diarrhea, associated with day care outbreaks.
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Dysentery caused by Shigella sp
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Hyperplastic prickle cells w/ excess keratin in skin warts.
Koilocytotic or vacuolated squamous epithelial cells in clumps on PAP smear of cervical warts. DX? |
HPV
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What is Hutchinson's sign?
What condition does it indicate? |
Vesicles on the tip of the nose indicating HSV infection
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How is AIDS defined?
Screening test? Confirmatory test? |
CD4 count less than 200
ELISA to screen Western blot to confirm |
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Peds pt has a rash that is red, with well defined margins, pustules, vesicles may be seen with "satellite lesions"
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Diaper dermatitis from Candida
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MC opportunistic infection in HIV disease
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PCP (Pneumocystis carinii pneumonia)
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Pt has a flat or slightly raised red lesion that expands over several days, with a central clearing ("bull's eye")
DX? |
Erythema migrans due to Lyme disease
caused by Borrelia burgdorfi |
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A hiker presents with a macular rash that started at the wrists and ankles, now has moved up his extremities and trunk.
DX? |
Rocky Mountain Spotted Fever
due to Rickettsia rickettsii |
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Pain/swelling in front and below ear. a boy may develop orchitis.
DX? |
Mumps ("parotitis")
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Abrupt onset of fever for 4 days, fever goes away and a pink, macular rash appears.
DX? |
Roseola infantum
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Non-specific respiratory symptoms and a maculopapular erythematous rash that begins on the face and progresses to the toes.
DX? |
Rubella ("German measles")
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Cough, coryza, and conjuctivitis.
DX? |
Rubeola ("Measles")
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Argyll Robertson pupil (reacts to light but does not accommodate).
DX? |
Late (tertiary) syphilis
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Diarrhea after hiking/drinking from a stream
DX? |
Giardia lamblia
"beaver fever" |
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Food poisoning after eating reheated rice.
DX? |
Bacillus cereus
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"slapped cheek" disease
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5th disease (Erythema infectiosum) due to parvovirus B19
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Baby paralyzed after eating honey
DX? |
Botulism (Clostridum botulinum)
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Cellulities after a dog/cat bite
DX? |
Pasteurella multocida
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Infection linked to bird poop exposure along the Ohio River Valley area. Causes disseminated dz in AIDS/immunocomp pts
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Histoplasmosis
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MCC of fungal meningitis; common in AIDS/immunocomp pts
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Cryptococcus
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