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A member asked:
Can a stress echo test pick up minimal blockage ? i am 25 years old and i got to 185 bpm...how sensitive are they?
5 doctors weighed in across 2 answers
No: Stress studies are designed to pick up a physiologically significant coronary obstruction (which produces a supply:demand imbalance when cardiac workload is high). This typically occurs when a coronary obstruction reaches 70% occluded in severity.
Answered 12/9/2016
4.7k views
No: A normal stress test just rules out significant blockage, with a sensitivity of about 88%. The blockage has to be significant enough to reduce blood flow to the heart under a stress load, and this would generally require 40% or more narrowing in one of the 3 major arteries. An angiogram, either non-invasive with ct, or invasive in a cath lab could determine if milder blockage is present, but.
Answered 11/24/2013
4.7k views
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