Gastroenterology - Solutions To A Bad Stomach Gastroenterology is the study of the digestive system and diseases affecting this system. A patient experiencing chronic abdominal pain or frequent bouts of nausea might see a gastroenterologist to have an endoscopy, one of the most common procedures to help diagnose gastrointestinal tract disease. A specialist can have a clearer, unobstructed view of the patients' gastrointestinal tract. For more details, visit Jkangastro.com in Healhwith conditions-treatedgastroenterology