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How can we find the percentage of a blockage in an artery ?

how do you find the percentage of a blockade in an artery with a thalium test in comparison to an angiography
Asked On : Fri, 25 Mar 2011
Answers:  3 Views:  206
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Cardiologist 's  Response
Angiography will demonstrate anatomical obstruction as blockage , while thalium scan study reveals whether the obstruction is causing angina or not and also whether there is viable heart cells distal to blockage . This is especially useful when we have to take decision of treatment of blockage either with stent or with surgery .
Now a days we have better options like intravascular ultrasound or FFR technology to guide is in management of blockages .
Answered: Sat, 31 Mar 2012
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  User's Response
thalium test gives 99% accuracy wheaeas angiography tells you 100% .both the tests have their own advantages and disadvantages.
Answered: Tue, 6 Sep 2011
  User's Response
Angiography is an invasive test. If one is prepared to go for surgical remedy, angiogram test is a must. Otherwise there are non invasive tests giving more detailed report about your heart such AS STRESS THALLIUM OR CT ANGIO or even you can check your EF% with 2D Echo. Check for more help.
Answered: Fri, 25 Mar 2011
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