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Perfusion with exemplars Questions and Answers 2024
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Perfusion with exemplars
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Perfusion with exemplarsflow of blood through arteries and capillaries delivering nutrients and oxygen to cells -
answer perfusion
If there is no perfusion it leads to - answer cell death
What is the scope of perfusion - answer from optimal perfusion to impaired to no
perfusion (cell death)
What are some modifiable individual risk factors for perfusion - answer smoking, HLD,
sedentary lifestyle, DM and HTN
What are some non modifiable individual risk factors for perfusion - answer age, gender
(M>W) and genetics
blood supply is available but is decreased - answer ischemia
Which of these are reversible: ischemia, infarction, necrosis - answer ischemia
cell death due to no blood flow - answer infarction
abscence of O2 - answeranoxia
central person deals with - answerthe amount of blood pumped though the heart every
minute or cardiac output
tissue perfusion deals with - answervolume of blood that flows through the targeted
tissues
a-fib, increased viscosity of the blood and congestive heart failures are impairments that
deal with what type of perfusion - answercentral
DVT, edema, diabetes and poor perfusion are impairments that deal with what type of
perfusion - answertissue
premature death in living cells - answernecorsis
What are some diagnostic labs for perfusion - answerCRP: produced by the liver which
is linked to CAD, CK-MB: elevated after an MI; LDH, ANP, BNP, troponin, Hcy
type of test that is found in the heart, liver, muscle and erythrocytes: increase is seen
s/p damage to myocardium and erythrocytes - answerLDH
, type of test that detects heart failure - answerANP and BNP
What are some diagnostic tests for perfusion (not labs) - answerEKG, cardiac stress
test or pharmalogic stress test, CXR
What are some clinical manifestations for central perfusion impairment - answerVital
signs: tacky and hypotensive; heart murmur; change in mentation, SOB and altered
EKG
What are some clinical manifestations for tissue perfusion impairment - answerIs
dependent on the tissue involved: LE: less hair, pale, cool skin, no pulses, slow cap
refill, and for the brain CVA symptoms
For tissue perfusion issues what are some diagnostic tests that can be done -
answerUltrasound, venogram, and arteriogram
What are some pharmacotherapies for perfusion - answervasodilators, vasopressors,
diuretics, antidysrhythmics, cardioglycosides, anticoagulanti, antiplt, thrombolytics
what does a blood pressure need to be to be considered HTN - answer>140 or >90
What race has the highest prevalence of HTN - answerafrican americans
What race is least likely to seek treatment for HTN - answermexican americans
What gender is more likely to get HTN - answermen before 45 and woman after 64 bc
of menopause
BP equation - answerBP: CO x SVR
What two things affect cardiac output - answer(HR x stroke volume) Cardiac and renal
fluid control
What three things affect systemic vascular resistance - answersympathetic nervous
system, neurohormonal and local regulation
What values would make a person prehypertension - answerSBP: 120-139 and DBP:
80-89
what does short term regulation of HTN - answerSNS and vascular endothelium: few
seconds
What does long term control of HTN - answerrenal and hormonal
140-159 or 90-99 is what stage of HTN - answer1
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