A liver ultrasound is a noninvasive test a doctor orders to examine the liver, its blood vessels, and sometimes the gallbladder. Abnormal results may indicate a person has liver disease or signal an ...

The procedure uses radioactive “tracers” injected into your bloodstream that are viewed under specialized imaging equipment. In the case of detecting birth defects, the scan is performed early in life ...

A contracted gallbladder means that your gallbladder has shrunk in size and may not be visible on an imaging test. This can prevent your gallbladder from properly functioning. Your gallbladder is a ...