Radiologist or qualified technician. 20-30 minutes per scan over up to 72 hours. A few days, but some sooner.
Radioactive substance is hazardous to fetus.
To detect tumors and other abnormalities. To assess blood flow to specific parts of the body. To locate obstructed blood vessels or ducts. To study certain metabolic processes. How it works Nuclear scans detect certain abnormalities by determining how long it takes for an organ or body tissue to absorb a small amount of injected radioactive material.