Aradiopaque material was injected into the blood vessels. what type of procedure was performed?
a. angioplasty
b. holter monitoring
c. cardiac magnetic resonance imaging
d. angiocardiography

I believe the correct answer from the choices listed above is option D. If a radiopaque material was injected into the blood vessels, then angiocardiography was being performed. It  is an examination of the blood vessels or chambers of the heart. Hope this answers t he question. 

A

Explanation:

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