Nuclear Medicine  Nuclear medicine, a diagnostic imaging
specialty, comprises examinations that result in images
developed based on the detection of energy emitted from a
radioactive substance given either intravenously or by mouth.
Generally, the amount of radiation given to the patient is
similar to that from standard x-ray examinations.     • Analyze
kidney function   • Image blood flow and function of the heart
• Scan lungs for respiratory and blood-flow problems   •
Identify blockage of the gallbladder   • Evaluate bones for
fracture, infection, arthritis or tumor   • Determine the
presence or spread of cancer   • Identify bleeding into the
bowel   • Locate the presence of infection   • Measure thyroid
function to detect an overactive or underactive thyroid