Term
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Definition
comma shaped, Gram negative
Water spread, non invasive
Diarrhea, rice water fishy stool |
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Term
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Definition
Gram - comma shape with flagella
Travels diarrhea- food, milk, water
Diarrhea that may progress to dysentery
Can lead to reactive arthritis, GB, |
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Term
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Definition
Gram negative bacilli
Fecal oral, food, water
Common cause of bloody diarrhea
Induce apoptosis of macrophages
Self limited, possible bloody diarrhea, fever and pain
X- diarrheal meds because it prolongs symptoms
HUS and Reiters |
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Term
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Definition
Gram - bacilli (Typhoid/nontyphoid)
Undercooked meat eggs and milk
Hepoxilin A3 activator, TLR4 activated due to LPS |
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Term
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Definition
Typhoid fever/Enteric Fever
ROSE SPOTS on chest and abs
Can cause gallstones and become a chronic carrier
M cells help spread in lymph
Macrophage nodules in the liver/BM/Lymph Nodes |
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Term
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Definition
Invade m cells,
uses iron capture to grow (makes invasion more effective)
Tender lymph nodes, Reiter's myocarditis, thyroditis, etc |
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Term
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Definition
gram negative bacilli
TRAVELERS DIARRHEA #1
LT Toxin: stimulates camp
ST toxin stimulates cGMP
Secretory non inflammatory diarrhea |
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Term
| E. Coli enterohemorrhagic |
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Definition
Gram negative bacilli, inadequate beef cooking
Shiga like toxin---> similar to s.dysenteriae symptoms |
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Term
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Definition
gram negative bacilli, no toxin produced
Acute self limited colitis |
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Term
| E. coli enteroaggregative |
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Definition
gram negative bacilli
uses adherence fimbriae with dispersin
Nonbloody diarrhea prolonged in aids patients |
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Term
|
Definition
Pseudomembranous colitis
Due to antibiotic use- especially cephlosporins
Volcano eruption of exudates |
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Term
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Definition
Whipple disease Gram + bicilli actinomycete
Can effect brain, heart, joints, lungs
Invades macrophages and accumulate in lamina propria and lymph nodes causing lymphatic blockage |
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Term
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Definition
single stranded RNA
High population areas, self limited |
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Term
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Definition
Encapsulated virus
Most common cause of childhood diarrhea
Destroys enterocytes in SI and gets replaced by immature enterocytes
VACCINE AVAILABLE |
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Term
|
Definition
Affects immunocompromised people and #2 for infant diarrhea
Non specific villous atrophy and crypt hyperplasia |
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Term
|
Definition
nematode, fecal oral spread
EGGS IN STOOL
Can lead to hepatic abcesses and pneumonitis |
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Term
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Definition
migrate thru the lungs then mature into worms in intestines
Hatch and release eggs which lead to autoinfection for life |
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Term
Necator Duodenale
Ancylostoma duodenale |
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Definition
hook worms, sin to lungs to intestines
suck blood leading to hemorrhage and anemia
Eggs in fecal smears |
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Term
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Definition
pinworm, MIGRATE TO ANUS AT NIGHT and can be trapped by tape
fingernails can be contaminated for transmission |
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Term
|
Definition
| whip worm, usually assomptomatic but if heavy can lead to bloody diarrhea and rectal prolapse |
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Term
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Definition
Adult worms live in the mesenteric veins
eggs penetrate mucosa leading to granulomas---> bleeding and obstruction |
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Term
| taenia solum (pork) Diphylobothrium latum (fish) |
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Definition
tape worms, steal nutrients from host
eggs in feces
No peripheral eosinophilla since it does not invade |
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Term
|
Definition
cysts colonize epitheium of colon and release trophozoites
Bloody diarrhea develops
Flask Shaped ulcer, liver abcesses thru splanchnic vessel penetration, can also spread to kidney and brain |
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Term
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Definition
most common pathogen in humans spread by feces in water or food
Immunoflurecent cysts in stool
campers and unfiltered water
Cysts resistant to chlorine |
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Term
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Definition
Invade epithelium, leads to sodium malabsorbed, cl secretion, watery diarrhea
Diagnoisis by OOCYSTS in stool |
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