Small exposure. The doses of radiopharmaceuticals used for these scans are usually relatively low dose. However thallium (half life 2.7 days) gives more radiation than technetium sestamibi (half life 6 hrs).Radiation reduction depends mainly on two factors time and distance. If you do not stay close to child for prolonged time then radiation exposure is reduced.Growing children more sensitive to radiation.
Yes, but... Yes if you are more than 6 feet away from them for the first 24 hours. After that no restrictions .
Yes. If you are released from the clinic, you will meet federal and state regulations designed to make it safe to be around other people, including children.