micro Flashcards
stimulates g protein to activate adenylate cyclase
cholera toxin
hand-foot-mouth disease + fevers, fecal oral route
Coxsackie A virus
hand-foot-mouth + myocarditis, muscle aches, GI distress
Coxsackie B virus
nosocomial infection due to respirator
pseudomonas aeruginosa
virulence of neisseria
LPS
bug associated with guillian-burre
campylobactor jejuni, mycoplasma pneumonia
activates the immune response resulting in increased cAMP
salmonella
pseudomembranes in throat
corynebacterium diptheriae
inactivates elongation factor 2 -> inhibiting protein synthesis
corynebacterium diptheriae
swarming pattern on culture
proteus mirabilis
struvate crystals with previous UTI - Mg NH4 PO4
proteus mirabilis (staghorn caliculi)
meningitis from swimming in lakes
naegleria fowleri (ameoba)
round infiltrates in the lungs, eosinophilia (maybe charcot leydin crystals) no eggs in stool (until 40 days)
ascaris lumbricoides
drooling, dysphagia, distress, thumb sign
epiglottis
cause of epiglottis
H. flu
parainfluenza virus
croup
caves, bird, bat droppings, hilar lymphadenopathy
histoplasma capsulatum
dessert, california, arizona, small budding yeast
SSx: fever, chest pain, difficulty breathing, erythema nodosum
coccidomycosis
halo sign in lungs, fungus ball, acute angle branching
aspergillus
great lakes, ohio river valley, cutaneous symptoms, difficulty breathing
blastomycosis
upper respiratory infections or pneumonia from mister or air conditioning units
leigonella pneumophila
treatment for leigoneres disease
fluoroquinolones
cultured on buffered charcoal yeast agar
leigonella pneumophila
bacterial travelers diarrhea and prophylactic treatment
ETEC, salmonella, campylobactor, shigella
Tx: ciprofloxacin
viral travelers diarrhea
rotavirus, norovirus
common causes of myocarditis
T. cruzi, Coxsackie B virus, cornybacterium diptheria
stridor in a child, seal bark
croup
respiratory distress, wheezing, trouble breathing in an infant, winter months
RSV
Tx: ribavirin
recurrent pulmonary infections in CF patients
pseudomonas aurginosa
common cause of pneumonia in alcoholics
klebsiella (currant jelly sputum)
guillian-barre HS
type IV
cutaneous fistula with yellow “sulfur” draining puss due to poor oral health care
actinomyces israleii
How can you tell if a UTI is gram - or +
gram negative is + for nitrites, gram positive is not
Unique to Gram +
teichoic acid
Unique to Gram -
LPS
gray smelly vaginal discharge, clue cells on wet mount
gardnerella vaginalis (bact vaginosis)
palm and sole rash seen in what infections
CARS - Coxsackie A, Rocky mountain spotted fever (rickettsia), Syphilis
causes of walking pneumonia
chlamydia, leigonella, mycoplasma
seen mostly in diabetic ketoacidosis and leukemia patients, penetrates cribaform plate, black eschar on face, branching at right angles, non septate
mucor and rhizopus
cigar shaped budding yeast, forms a local pustule or ulcer with nodules along draining lymphatics
sporothrix
cat scratch with nodules along draining lymphatics
bartonella henselae
enlarged lymphnodes, recurrent fever, somnolence
trypanosoma brucei
transmission for T brucei
tsetse fly
transmission of babesia
ixodes tick (same as borrela burgdorferi)
fevers, hemolytic anemia, maltese cross
babesia
RBC schizont with merozoites, schuffner dots
malaria
treatment for malaria
chloroquine, mefloquine if resistant, primaquine for vivax and ovale
spiking fever, hepatosplenomegaly, pancytopenia
leishmania
transmission of leishmania
sandfly
Tx of leishmania
sodium stibogluconate
foul smelling green discharge with itching and burning
motile on wet mount
trichamonas vaginalis (vaginitis)
tx of schistosoma
praziquantel
brain cysts, seizures, parasite
taenia solium (cystercercosis)
All DNA viruses except _____ are dsDNA
parvovirus (ssDNA)
all DNA viruses are linear except
papillomavirus, polyomavirus, hepadnaviruses (circular)
All RNA viruses are ssRNA except
reovirus (dsRNA) - rotavirus and coltivirus
All DNA viruses replicate in the nucleus except
poxvirus
All RNA viruses replicate in the cytoplasm except
influenza and retroviruses
most viruses acquire their envelopes from the plasma membrane, except
herpesvirus - from the nuclear membrane
traumatic open wound infection
clostridium perfringens
surgical wound infection
S aureus
dog or cat bite
pasteurella
positive PAS stain
tropheryma whipplie (whipples disease)
asplenic patient
SHiN - S. pneumo, H. influenza type B, N. meningitis
chronic granulomatous patient infection
catalase positive bugs esp S. aureus
another name for croup
laryngotracheobronchitis
cause of croup
parainfluenza virus (most common) and RSV, influenza, adenovirus
diabetes drug causing weight gain and edema
-glitazones
AIDS associated diarrhea, acid fast cysts in stool
cryptospordium parvum
anti-saccharomyces cerevisiae ab
associated with crohns
high fever for 3-4 days, when the fever breaks a maculopapular rash appears starting on trunk and ascending to face, febrile seizures may occur
roseolla HHV-6 and HHV-7
afebrile, lacy rash starting on arms and then to cheeks, worse with sunlight
erythema infectiosum (parvovirus B19) - fifths disease
3 Cs - cough, coryza, conjunctivitis, gray specks on buccal mucosa, high fever
Rubeola or mumps
parotid gland swelling
mumps
opportunistic infection in AIDS CD4 < 500
Candida, kaposi sarcoma
opportunistic infection in AIDS CD4 < 200
PCP, histoplasma, JC parvovirus (PML), coccidomycosis
opportunistic infection in AIDS CD4 < 100
toxoplasmosis, cryposporidia, cryptococcus, CMV
opportunistic infection in AIDS CD4 < 50
Mycobacterium avium complex
causes of pseudomembranous colitis
ampicillin and clindamycin
tx of pseudomembranous colitis
oral metronidazole or oral vancomycin
cause of VIRAL pink eye - watery eyes, conjunctiva, swollen eyelids
adenovirus, ds DNA non-enveloped
findings AIDS associated demenita
multinucleated giant cells