Which patients (risk stratified) can be supervised by non-physician health
care professionals if professionals are specifically trained in CET & physician
is readily/immediately available? ✔️Ans - all risk groups can be; low risk
can be supervised w/o physician immediately available
Who should have PFT's done? ✔️Ans - all smokers <45y.o & anyone
presenting with dyspnea
ECG monitoring during test ✔️Ans - recorded last 15secs of each stage
BP monitoring during test ✔️Ans - measured/recorded last 45secs of each
stage
HR monitoring during test ✔️Ans - recorded last 5secs of each stage
ECG monitoring after test ✔️Ans - monitored continuously, recorded
immediately post exercise, during last 15secs of 1st minute then every 2
minutes thereafter
BP monitoring after test ✔️Ans - measured & recorded immediately post
exercise then every 2 minutes thereafter
HR monitoring after test ✔️Ans - monitored continuously then recorded
during last 5secs of each minute
, technetium (tc) -99m ✔️Ans - comparison of rest & stress imaging permits
ID of fixed & reversible perfusion abnormalities as well as differentiation;
permits higher does with less radiation exposure; preferred imaging agent
thallum 201 ✔️Ans - circulates myocardium showing images of where
lack/inadequate blood flow is; shows images of inadequate perfusion
dobutamine ✔️Ans - elicits wall motion abnormalities by increasing HR &
therefore myocardial O2 demand; infused intravenously with dose increased
gradually until maximal does or endpoint is acheived
adenosine (dipyridamole) ✔️Ans - causes maximal coronary vasodilation
in normal epicardial arteries; rest images then compared with imaging obtain
after coronary vasodilation
pregnancy maximal test: is physician supervision necessary? ✔️Ans - for
all pregnant woman, yes.
ABI's (supine prior to exercise) levels ✔️Ans - normal >1.0
moderate .8 - .9
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