the basics of
There's definitely a lot going on within the abdominal cavity.
An ultrasound of the abdomen is used to evaluate the liver, gallbladder, pancreas, kidneys and spleen. Although, ultrasound is not the gold standard to evaluate the gastrointestinal system, it can certainly be used as well in conjunction with other modalities.
A patient might be referred for an abdominal ultrasound if they are experiencing things such as: abdominal pain (RUQ, LUQ, RLQ, Epigastric Pain, and/or Flank Pain), nausea, vomiting, Positive Murphy's sign, etc.
The liver has a vast amount of tasks to perform on a daily basis. The main one is to filter the blood coming from the digestive tract prior to being disperse throughout our bodies.
-about the pancreas-