DigiNepal · radiology
Precise heart pumping fraction.
A MUGA scan is a nuclear medicine test of the heart. It shows precise heart pumping fraction. Typical effective dose 5 to 8 mSv, similar to about 2 to 3 years of natural background radiation (about 3 mSv a year). MUGA scan (Nuclear medicine, Heart). What it shows: Precise heart pumping fraction. Why it is done: Monitoring before and during some cancer treatments. Preparation: A small radioactive tracer is injected or swallowed. Preparation depends on the test; tell staff if pregnant or breastfeeding, as feeding may need a pause. Radiation: Typical effective dose 5 to 8 mSv, similar to about 2 to 3 years of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered. Duration: 1 to 2 hours. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
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