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Epidemics/Pandemics
PA CLin Med
40
Health Care
Graduate
09/28/2009

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Cards

Term
an outbreak of a contagious disease that spreads rapidly and widely:
Definition
Epidemic
Term
Pandemic:
Definition
Epidemic over a wide geographic area and affecting a large portion of the population
Term
WHO: 3 criteria for Pandemic:
Definition
1. emergence od disease thats new to world population
2. causes serious illness in humans
3. spreads easily and from human to human
Term
SARS
Definition
Severe Acute Respiratory Syndrome
Term
which virus causes SARS?
Definition
Coronaviridae family
Term
compare the mortality rates of SRARS and FluA
Definition
SRARS is much higher
Term
SARS is spread by:
Definition
direct, surface, droplet, aerosol, fecal/oral.
Term
at risk for SARS if you've had contact with a person w SARS within __days of symptom onset.
Definition
10 days
Term
exposure and incubation period for SARS is:
Definition
2-7days
Term
what are the 2 stages of SARS?
Definition
1. flu like 2-7days after exposure and lasts 3-7days
2. lower respiratory begins 3 or more days after incubation
Term
with SARS it may be __ days before CXR becomes abnormal
Definition
7
Term
SARS is a moderate respiratory illness indicated by fever and:
Definition
one or more of the following: hyoxia, cough, dyspnea
Term
SARS cough productive?
Definition
No
Term
SARS chest auscultation reveals
Definition
unremarkable
Term
Dx SARS:
Definition
Ab, PCR,
Term
lab findings in SARS:
Definition
leukopenia, thrombocytopenia, hyponatremia, hypokalemia, elevated liver enzymes and CK
Term
how long in isolation should SARS people stay after Sx are gone?
Definition
10days
Term
what are the 2 proteins that influenza A subtypes are based off of?
Definition
H = hemagglutanin
N = Neuramidase
Term
current subtypes of FluA found in people are:
Definition
H1N1 & H3N2
Term
H3N2 =
Definition
Flu A
Term
What is the main flu Sx that separates it from the common cold?
Definition
Muscle Aches
Term
antivirals should idealy be initiated before __ hrs of Sx onset?
Definition
48hrs
Term
would you give antivirals post 48hrs?
Definition
if pt is "high risk"
Term
H5N1 =
Definition
Avian Flu
Term
mortality rate of H5N1 is up to:
Definition
60%
Term
LPAI =
Definition
low pathogenic avian influenza
Term
HPAI =
Definition
high pathogenic avian influ
Term
define zoonosis
Definition
communicable btwn animals to humans but not human to human. Avian can't be spread human to human
Term
why is avian influ more pathogenic
Definition
it is specific to the lower resp sys.
Term
why can't it be spread from human to human
Definition
it is specific to lower resp and it can't be converted to droplet form
Term
unlike influ A most of the deaths from avian influ are caused by:
Definition
viral pneumonia rather than secondary bacterial pneumonia
Term
severe resp Sx occur __d after initial Sx in the Avian flu
Definition
5 days
Term
Avian influ sputum may be
Definition
bloody
Term
what is the radiological finding in avian flu that is an indicator for mortality:
Definition
diffuse bilateral ground glass appearance similar to ARDS
Term
Tx for avian flu
Definition
antivirals
Term
prevention of avian flu
Definition
avoid contact with infected foul and vaccinate the birds: no human vaccine is available
Term
75% of hospitalized patients of the H1N1 are what age?
Definition
<49
Term
60% of the deaths from H1N1 are people of the age:
Definition
<49
Term
with H1N1 CDC recommends staying home at least __ hrs after the fever is gone wo help from fever reducing medications
Definition
24hrs
Term
treatments for H1N1
Definition
relenza, tamiflu
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