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What is the difference between Chemical stress test and a ...
Sent to Health Experts March 19 10:04 AM

What is the difference between Chemical stress test and a Exercise Stress test

 

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March 19 10:07 AM (3 minutes and 19 seconds later)
         
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Hi.

An exercise stress test is a screening tool to test the effect of exercise on your heart. The test gives a general sense of how healthy your heart is

A chemical or pharmacological stress test combines an intravenous medication like dobutamine with an imaging technique (isotope imaging or echocardiography) to evaluate the LV. In these cases, the medication serves the purpose of increasing the heart load instead of using exercise. Stress causes normal coronary arteries to dilate, while the blood flow in a blocked coronary artery is reduced. This reduced blood flow may decrease the movement of the affected wall (as seen by echo)

 

Source - http://www.heartsite.com/html/chemical_stress.html

http://www.nlm.nih.gov/medlineplus/ency/article/003878.htm



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