Infectious dz Flashcards by Nathan Hansen

nonproductive cough, low grade fever, malaise

diffuse crackles, patchy interstitial infiltrates

PNA caused by

mycoplasma PNA

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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

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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

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dysuria, urinary freq, urinalisys w positive LE and nitrites, no discharge

dx is ____
most common bacteria

cystitis

E coli

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UTI w struvite stone and staghorn calculus, alkaline pH

bacteria is

proteus mirabilis

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PNA in pt w CF/bronchiectasis

bacteria is

P aeruginosa

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Feeding tube/post stroke/alcoholic/post seizure

leads to ___ PNA
bacteria are ___

aspiration

anaerobes

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Newborn, septic PNA

bacteria is __, comes from ___

Group B strep from moms vaginba

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Post influenza necrotizing pNA

bacteria is ___

staph aureus

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older person, hypoNa, GI sx, inc LFTs

bacteria is

legionella

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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

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crytpococcal meningitis should not have ___

high ___

diffuse Neuro sx

opening pressure

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HIV pt w thrush, dysphagia, odynophagia

dx is ___

candidal esophagitis

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CD4 <200, interstitial PNA, high LDH/hypoxemic

bacteria is ___

pneumocystis jirovicii

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HIV pt w purplish/red blue lesions

dx is __
virus is ____

Kaposi’s sarcoma

HHV8

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HIV pt, chronic diarrhea

common causes (3)

cryptosporidium, Isospora, CMV if CD4 <50

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headache, ring enhancing lesion on MRI in pt w HIV

dx is

toxoplasmosis

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cotton wool spots on fundoscopic exam, CD4 < 50

hiv pt
dx is ___

cmv retinitis

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white, corrugated, painless plaques on lateral part of tongue in HIV pt

dx is ___ assc w ___

oral hairy leukoplakia, EBV

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infant, fever for several days
suddenly goes away, in comes macular rash

dx is ___
virus is -__

roseola

HHV6

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kid w slapped cheek rash on face

dx is ___
caused by ___
causes __ and __ in pregnant woman

erythema infectiosum
parvovirus B19
hydrops fetalis, aplastic anemia

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kid w fever, sore throat, sandpaper rash

dx is ___
caused by ___

scarlet fever

strep pyo

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vesicular rash on kid w palms/soles, and ulcers in mouth

dx is ___
assc w __

hand foot mouth dz

coxsackievurus a

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pink maculopapules, head moving down, postauricular LAN

dx is ___

congenital w __ and __ and __

rubella

cataracts, deafess, cardiac defects

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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