Infectious dz Flashcards
nonproductive cough, low grade fever, malaise
diffuse crackles, patchy interstitial infiltrates
PNA caused by
mycoplasma PNA
Nasal congestion for 7-10 days, fever
getting worse, does not improve w decongestants
dx is ____
most common bacteria (3)
these also seen in ___
acute sinusitis
S pneumo, H flu, moraxella catarrhalis
OM
tonsillar exudates, tender anterior cervical LAD, fevr, no cough
dx is ___
bacteria is __
if strep is negative, young pt, persistent, splenomegaly think ___
strep throat
Group A strep, strep pyo
mono/EBV
dysuria, urinary freq, urinalisys w positive LE and nitrites, no discharge
dx is ____
most common bacteria
cystitis
E coli
UTI w struvite stone and staghorn calculus, alkaline pH
bacteria is
proteus mirabilis
PNA in pt w CF/bronchiectasis
bacteria is
P aeruginosa
Feeding tube/post stroke/alcoholic/post seizure
leads to ___ PNA
bacteria are ___
aspiration
anaerobes
Newborn, septic PNA
bacteria is __, comes from ___
Group B strep from moms vaginba
Post influenza necrotizing pNA
bacteria is ___
staph aureus
older person, hypoNa, GI sx, inc LFTs
bacteria is
legionella
HIV pt, low CD4 count, cachexia
lesions on MRI, spinal tap w WBC, neurologic sx
virus is ___
dx is ____
acquired in __, remains ___ until low ___
poylomavirus JC
progressive multifocal leukoencephalopathy
childhood
latent, CD4
crytpococcal meningitis should not have ___
high ___
diffuse Neuro sx
opening pressure
HIV pt w thrush, dysphagia, odynophagia
dx is ___
candidal esophagitis
CD4 <200, interstitial PNA, high LDH/hypoxemic
bacteria is ___
pneumocystis jirovicii
HIV pt w purplish/red blue lesions
dx is __
virus is ____
Kaposi’s sarcoma
HHV8
HIV pt, chronic diarrhea
common causes (3)
cryptosporidium, Isospora, CMV if CD4 <50
headache, ring enhancing lesion on MRI in pt w HIV
dx is
toxoplasmosis
cotton wool spots on fundoscopic exam, CD4 < 50
hiv pt
dx is ___
cmv retinitis
white, corrugated, painless plaques on lateral part of tongue in HIV pt
dx is ___ assc w ___
oral hairy leukoplakia, EBV
infant, fever for several days
suddenly goes away, in comes macular rash
dx is ___
virus is -__
roseola
HHV6
kid w slapped cheek rash on face
dx is ___
caused by ___
causes __ and __ in pregnant woman
erythema infectiosum
parvovirus B19
hydrops fetalis, aplastic anemia
kid w fever, sore throat, sandpaper rash
dx is ___
caused by ___
scarlet fever
strep pyo
vesicular rash on kid w palms/soles, and ulcers in mouth
dx is ___
assc w __
hand foot mouth dz
coxsackievurus a
pink maculopapules, head moving down, postauricular LAN
dx is ___
congenital w __ and __ and __
rubella
cataracts, deafess, cardiac defects
coryza, cough, kopliks spots, rash face to trunk
dx is ___
caused by
measles
rubeola
DM/leukemia pt, rapid sinusitis w bone/orbit destructon, black eschar
dx is ____
caused by __/___
mucormycosis
mucor/rhizopus
PNA, travel to Ohio valley, bird droppings/bats/caves
dx is
histoplasmosis
SW, flu, meningitis sx, persisting
dx is
coccidioidomycosis
PNA, GU tract involement, skin lesion
dx is
blastomycosis
IC, large cavitary lesion
allergic bronchopulmonary aspergillosis in __/__ pt w high __ and bronchiectasis
aspergilloma
CF/asmtha
eosinophils
gardner, pustules along draining lymphatics, ascending lymphangitis
dx is
sporothrix schenckii
pt presents w malaria and neurologic sx
strain is
plasmodium falciparum
Hep C pt, cuts hand w shell
presents w fever, redness, swelling, cellulitis and hemorrhagic bullae
org is ___
vibrio vulnificus
cattle sheep goats
PNA, culture neg endocarditis
dx is ____
caused by
q fever
coxiella burnettii
ab distension, green diarrhea, splenomegaly, bradycardia
faint pink papule on trunk
dx is ___
caused by ___
typhoid fever
salmonella typhia
cattle hog goat exposure
unpasterized milk/cheese
HA, persistent F, LAN, HSM
dx is ___
brucelloiss
rabit/rodent/tick, fever, HA, draining LN
dx is ___
caused by ___
tulremia
francisella tularensis
animal/rat urine, conjuncivitis, flu like
improves, then kidney/liver failure, hemorrhagic PNA, jaundice
dx is ___
leptospriossi
cervical cancer caused by ___
inactives __ like __ and __
HPV
tumor suppressors, p53 and rb
burkitt lymphoma/nasopharyngeal carcinoma caused by
translocations is ___
EBV
8, 14 cmyc
Hepatocellular carcinoma caused by
Hep B and C
MALT lymphoma caused by
helicobacter pylori
staph PNA seen in
IV drug user
otherwise healthy, group of indiidals sik at same time
must be due to
exposure
febrile, flu like illness followed w severe distress
painless edematous necrotic papule
gram positive rod/bacillus
dx is ___
in ___ , can have cough, SOB chest pain, rapid deteriortaton
CXR shows ___ and ___ w maybe ___
anthrax
PNA
mediastinal widening, pleural effusion, infiltrates
high fever, followed by vesicular/papular/pustular rash from face to trunk
dx is
smallpox
fulminant PNA 2-4 days aftr exposure, watery blood tinged sputum
closed __ gram neg coccobacilli
dx is ___
__ is bubonic plague
safety pin
pna plague
purulent lymphadenitis
normal sensorium w descending flaccid paralysis, bulbar nerve palsies
diplopia, dysphonia, dysarthria, dysphagia
Dx ___
botulism
febrile flu like sydrome 3-5 days after exposure, PNA
tularemia
multiorgan failure, DIC, hemorrhage
dx is ___ caused by __ or __
viral hemorrhagic fveer, Ebola/Marburg
red rash, clear center, followed w bells palsy, heart block/arthritis
dx is ___
caused by
lyme disase
borrellia burgdorfi
fever, hemolytic anemia, NE travel, asplenia
dx is ___
common finding of __
transmitted by ___
babesiosis
maltese cross
ixodese
child w perianal itching
dx is ___
enterobius vermivularis pinworm
dog bite bacteria __
human bite bacteria __
pasturella multicoda
eikenella
kitten scratch, axillary LAN
bacteria is ___
also causes __ in HIV
bartonella henslae
bacillary angiomatosis
nail penetrating through tennis shoes
bacteria is
P aeruginosa
branching rods in oral infection w sulfur granules
bcteria is
actinomycese isrealii
cough until vomit, high WBC, insidious ten paroxysmal
bacteria
bordetella pertussis
osteomyelitis, sickle cell pt
top 3 bacteria
Salmonella, staph, strp
relapsing malaria, after tx
strains are
___ released from liver cells
p vivax/ovale
hypnooites
shock, erythroderma, menstruation
dx is ____, a __
can be __
also gram negs prodcue __ and __
bacteria such as __ in Ecoli HUS
TSST1, superantigen
group a strep
endotoxin, LPS
shiga like toxin
vancomycin SE
aminoglycosides SE
nephrotoxicity, ototoxicity, red man
nephrotoxicity, ototoxicity
sulfonamides can lead to __ w ___
NADPH protects against ___ and ___
sulfa drugs also cause __ and __
hemolytic anemia, G6PD def
oxidative injury, denaturation
neutropenia, drug rash
Penicillins can casue
interstitial nephritis
fluoroquinolones SE
achilles tendon rupture
isoniazid SE
transaminitis
worldwide epidemic of viruses caused by ___
__ two segments
drift is caused by
antigenic shift
recombining
mutations