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The test that is used to show images of the heart muscle contraction in motion using high-frequency sound waves is called

ultrasound
fluoroscopy.
electrocardiogram.
echocardiogram.


2 Answers

3 votes
D: echocardiogram. Have a good day! :)
User Avv
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4 votes
The answer is d echocardiogram
User Refracted Paladin
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