Infectious Disease Flashcards
Naslisal congestion for 7-10 days, fever, no better with decongestants
Acute Sinusitus
Strep pneumo, H. flu, Moraxella catarrha
Agents that cause OM
strep pneumo, H. flu, Moraxella catarrhalis
Tonsillar exudates
tender anterior LAN
Fever
No cough
Pharyngitis -> Strep pyrogenes (GAS)
Tonsillar exudates Tender anterior LAN Fever No cough Strep negative Teenager Splenomegaly
Mono/ EBV
Dysuria
Urinary frequency
U/A with leukocyte esterase, nitrates
no discharge
Cystitis-> E. coli
UTI
Struvite stone/staghorn calculus
UA: alkaline pH
Proteus mirabilis
Pneumonia in pt with CF or bronchiectasis
Pseudomonas aeruginosa
Pneumonia in pt with:
Feeding tube/ post stroke/ alcoholic/ post seizure
Aspiration -> anaerobes
Pneumonia in septic newborn
Group B strep.
Vertical transmission during birth
Post-influenza necrotizing pneumonia
Staph aureus
Pneumonia in an older person
Hyponatremia
GI sx
increased LFTs
Legionella
HIV+
Thrush
dysphagia
odynophagia
Candidal esophagitis
HIV+
CD4 <200
Interstitial pneumonia
High LDH
Penumocystis jiroveci
HIV+
Purplish, red-blue skin lesions
Kaposi’s (HHV-8)
HIV+
Chronic diarrhea
Cryptosporidium
also: Isopora or CMV if CD4 is less than 50
HIV +
Headache
Ring enhancing lesions on MRI
Toxoplasmosis
HIV+
Cotton wool spots
CD4 < 50
CMV retinitis
HIV+
White corrugated painless plaques on lateral tongue that can’t be scraped off
Oral Hairy Leukoplakia -> EBV
High risk behaviors fever headache myalgias only a few days Fain rash on abdomen HIV negative
acute HIV infection
Infant
fever for several days
Followed by macular rash
Roseoa -> HHV 6
Child
Infection followed by slapped cheek rash on face
Erythema infectiosum -> Parvovirus B19
Also: aplastic anemia
Hydrops fetalis in pregnant women
Parvovirus B19
Child
Fever, sore throat, sandpaper rash
Scarlet fever -> Strep pyrogenes
Child
Vesicular rash on palms, soles, ulcers in mouth
Hand-foot-mouth -> coxsackievirus A
Child
Pink maculopapules on head and moving down
Post auricular LAN
Rubella
Infant Pink maculopapules cataracts deafness cardiac defects
Congenital Rubella
Child Coryza cough Kopik's spots rash on face to trunk
Measles
DM or leukemic pt
rapidly progressive sinusitis
bone/orbit destruction
black eschar
Mucromycosis