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Old 05-21-2012
tyagee's Avatar
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EKG EKG Stress Test; To Order or Not to Order

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The exercise EKG test has a high predictive accuracy; therefore, a positive test result is more likely to be a
true positive. The test is most useful in patients with an intermediate pretest probability of coronary artery
disease (CAD). It is less useful in those with high and low probabilities of CAD. Patients with very high
pretest probabilities for CAD (i.e., men over the age of 40 and women over the age of 60 with a history of
typical angina) do not require exercise EKG testing for diagnosis.
Similarly, patients with low pre-test
probabilities (e.g., men under age 40 or women under age 50 with atypical chest pain) do not require EKG
testing since such patients will give a relatively high false positive rate.
this is excerpt from usmleworld. i totally agree but does it change our mx? if i get a male patient 40 + whom i think has stable angina...i will still order stress test....
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Old 05-21-2012
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Originally Posted by tyagee View Post
this is excerpt from usmleworld. i totally agree but does it change our mx? if i get a male patient 40 + whom i think has stable angina...i will still order stress test....
-yea am totaly agree with u. this concept help when we order the test in pt without risk factor and came postive(we have to keep in maind this is more likly to be false postive)and vice versa when came negative in pt with risk factor(FALSE NAGATIVE).
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