Hepatoportal circulation {Ans: hepatic artery receives oxygenated blood from the inferior mesenteric, gastric, and cystic veins. The hepatic portal vein receives deoxygenated blood from the inferior and superior mesenteric vein and splenic vein and delivers nutrients that have been absorbed from the intestinal system}Diverticular disease {Ans: Characterized as the presence of diverticula in the large intestine. Risk factors include older age, genetic predisposition, obesity, smoking, diet, lack of exercise, ASA and other NSAIDS, altered DI microbiome and abnormal colonic peristalsis}Hepatorenal syndrome HRS Type I {Ans: rapid onset within 2 weeks; renal failure 2nd to a severe decrease in blood volume and CO 2nd to GI bleeding and hypotension; lack of perfusion -> renal failure}Acute pancreatitis diagnosis and complications {Ans: 1 of 3: symptoms consistent with acute pancreatitis, elevated lipase or findings consistent with acute pancreatitis on CT. Complications: ARDS, heart failure, renal failure, coagulopathies, sepsis, paralytic ileus and GI bleed}Upper GI bleed {Ans: bleeding that occurs in the esophagus, stomach or duodenum commonly caused by bleeding varices, peptic ulcers or Mallory-Weiss tear(tearing of esophagus from stomach) Characterized by frank, bright red or coffee ground emesis.}Hepatic Encephalopathy {Ans: due to ammonia accumulation. Ammonia causes the