A liver ultrasound is a procedure in which an ultrasound technician utilizes an ultrasound transducer to view and measure a patient's liver, according to the American Cancer Society. This test is often ordered to diagnose medical conditions such as liver cancer.
Typically, an abdominal ultrasound is ordered by a doctor to view a patient's liver and other abdominal organs, states WebMD. An abdominal ultrasound utilizes sound waves that can be reflected off of a patient's organs and internal structures. The reflections create images and videos of a patient's organs and internal structures. Abdominal ultrasounds view all of the abdominal organs, including the liver, gallbladder, spleen, pancreas and kidneys.