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27 Cards in this Set

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Acute Gastritis:

similar incidence in
developing and developed countries


—viral or bacterial?
viral
Acute Gastritis:

more common in settings of poor hygiene/sanitation

—viral or bacterial?
Bacteria
Acute Gastritis:

low infectious dose (10-100 viral particles)

—viral or bacterial?
Viral
Acute Gastritis:

low to high ID (DOS - depending on species)

—viral or bacterial?
Bacteria
Acute Gastritis:

human and animal reservoir (DOS)


—viral or bacterial?
Bacteria
Acute Gastritis:

nonbloody diarrhea

—viral or bacterial?
Viral
Acute Gastritis:

nonbloody to bloody diarrhea (DOS)

—viral or bacterial?
bacterial
Acute Gastritis:

culture of stool (organism, presence of WBCs)

—viral or bacterial?
Bacteria
Acute Gastritis:

diagnosis of exclusion; commercial immunoassays

—viral or bacterial?
Viral
Acute Gastritis:

culture of stool (organism, presence of WBCs)

—viral or bacterial?
Bacteria
Acute Gastritis:

diagnosis of exclusion; commercial immunoassays

—viral or bacterial?
virus
Acute Gastritis:

supportive therapy


—viral or bacterial?
Viral
Acute Gastritis:

supportive therapy, antibiotics when necessitated (especially dysentery or colitis)


—viral or bacterial?
bacteria
With viral enteritis you see an _____ of symptoms (e.g., vomiting and/or diarrhea)
acute onset
The most common cause of epidemics of gastroenteritis
Caliciviruses
The leading cause of severe childhood gastroenteritis
Rotaviruses
Prototype Caliciviridae is _______
Norwalk virus
Caliciviridae (Norwalk) is a nonenveloped (naked) icosahedral ______ virus
+ss RNA
Caliciviridae is spread via __________ contamination
fecal oral
Caliciviridae is found in vomitus --______ may play a role in spread
aerosolization
____ is the primary Rotavirus pathogen
A
Rota virus produces an ______ producing “secretory” diarrhea
Enterotoxin


Baby at day care center is exposed to rota in early autumn in southern Ca. 1-3 D after infection he develops vomiting which is followed by diarrhea and fever. What is the dx?
Rotavirus
Enteroviruses (Picornaviridae) are mostly _______
asymptomatic
Enteroviruses (Picornaviridae) are icosahedral, naked _____
+ssRNA
Other enteroviruses (non-polio):
Coxsackie virus
Echoviruses
Pt presents with symptoms of diarrhea and symptoms of meningitis. He has increased lymphocytes in the CSF. What is the dz.
aseptic meningitis- By Non-polio Enterovirus
Non-polio Enterovirus pathology (5)
pneumonia
common cold
Myocarditis
hand-foot-and-mouth disease
generalized disease in newborn