I have also never had a Muga, and perferred having the Echocardogram instead. It is also an acceptable method to monitor the heart w/o having injectable nuclear radioisotopes to enhance the heart valves. I figure the more nuclear or radiation I can avoid makes sense, and for some reason my doctors seem okay about it. I have never been asked for a Muga instead. I'm already glowing in the dark from brain rads.
However, upon joining a clinical trial, you must abide with the specified cardiac test.I thought you may like to ask your Onc's about this as well.
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