Infectious Disease Flashcards
(22 cards)
Cryptococcus
Fungal Lungs, CNS At risk: HIV pts Papilledema Dx: CT, Cryptococcal antigen, India Ink stain Tx: AmphoB, Fluconazole
Histoplasmosis
Fungal d/t bird/bat poop Lungs Hilar/mediastinal lymphadenopathy Dx: Histoplasma antigen Tx: Itraconazole
Pneumocystis
Especially in AIDS CD4+ < 200
Bilat interstitial infiltrate
Tx: Trimethoprim/sulfamethoxazole
Rheumatic Fever
2wks s/p Strep pharyngitis
Jones criteria
Tx: PCN
Botulism
Descending weakness/paralysis
d/t canned food, raw honey in infants
Tx: PCN, antitoxin
Cholera
Profuse “rice-watery” diarrhea
Diphtheria
Pharyngitis
Gray membrane
Tx: antitoxin, PCN or erythromycin
Tetanus
Trismus! (lockjaw)
Contraction/spasms
d/t dirty wound
ppx: Immunization!
TB
d/t mycoplasma
Night sweats, productive cough, hemoptysis
Dx: CXR, acid-fast bacillus smear, RIPE
Tx: Isoniazid + VitB6
Toxoplasmosis
d/t cat poop, undercooked meat, preg
Cerebral abscess
Multiple ring-enhancing lesions
Lyme
d/t deer tick in NE states Erythema migrans Carditis AV Block Bell's Palsy Dx is clinical! Tx: Doxycycline, amoxicillin, cerufoxime
EBV
d/t Mononucleosis In post cervical lymph nodes Pharyngitis Splenomegaly Morbilliform rash c Amoxicillin/Ampicillin
HSV
Painful ulcerating vesicles
Prodrome
Dx: PCR, culture, or serology
Tx: antivirals
Herpes Zoster
d/t VZV Risk: >50yo females Dermatome - pain before rash, and post-herp neuralgia \+Hutchingson sign Tx: antivirals
Measles
Cough, Coryza, Conjunctivitis
Koplik spots
Mumps
Parotid gland swelling
Elevated amylase
Rubella
Forchheimer spots
Erythema Infectiosum
Slapped-cheek appearance
d/t Parvovirus B19
Roseola
High fever which resolves, then rash
d/t Herpesvirus 6/7
At risk: 6mo
HIV
Attacks CD4+
ASx
Dx: ELISA
Tx: Two NRTI + nNRTI
Rocky Mountain Spotte Fever
d/t dog tick
Rash on wrists spreading centrally; affects palms and soles
Tx: Doxycycline
Syphilis
d/t Tryponema
Painless genital ulcers + rash affecting palms and soles
Dx: Dark field microscopy, RPR, FTA, ABS
Tx: PCN
