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Hi,
The Muga isn't that precise either. My last MUGA was done twice; first result was 57, second was 61; and the final reading from the radiologist was 63. Tech told me it can vary by five points--mine varied by six. Also, if you have difficult veins a MUGA can be very stressful. First time, I had large black and blue marks on arm and hand.
I've had three MUGA's, and this time I'm going for an echo, mainly because my last MUGA mentioned possible right ventricle problems but couldn't be precise, as a MUGA is used mainly to view the left ventricle. My cardiologist recommended an echo so we can check the right ventricle as well as the left. Other good news about an echo, for me anyway, is I don't need an approval from my insurance.
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