IBS is a long-term, recurring digestive condition marked by stomach pain or discomfort, usually along with changes in bowel movements...
In patients presenting with diarrhea it is important to distinguish “true diarrhea” from “false diarrhea"...
Work-up for abdominal pain begins with resuscitation and exclusion of critical diagnoses. Then, through a detailed history and physical, consider all the causes of abdominal pain...
Peptic ulcer disease most commonly occurs in the duodenum, followed by the stomach, esophagus, and jejunum in Zollinger-Ellison syndrome, or after a gastroenterostomy, or in a Meckel's diverticulum with ectopic gastric mucosa.
The causes of pancreatitis can be recalled from the mnemonic GET SMASH'D: gallstones, ethanol, trauma, steroids, mumps, autoimmune diseases, scorpion stings, hypertriglyceridemia, and drugs (e.g., azathioprine or diuretics).
In patients with typical symptoms and diagnostic laboratory tests, CT or MR imaging is not required to confirm the diagnosis of acute pancreatitis. CT or MR imaging are primarily used to detect complications of acute pancreatitis...
Chronic pancreatitis occurs when there is irreversible and progressive destruction of the pancreas. While the etiology of the pain in chronic pancreatitis is not well understood, it is most likely due to: chronic inflammation, altered nociception and tissue ischemia
The pathophysiology of acalculous cholecystitis is thought to start with an acute or acute-on-chronic condition that leads to endothelial injury and gallbladder ischemia.
A classic “you’ll miss it if it’s not on your differential,” ascending cholangitis refers to a bacterial infection of the biliary system, requiring both obstruction and bacterial colonization of the biliary tract.
Recognition of severe acute pancreatitis (SAP) is tricky, as many of the criteria, such as Ranson, Imrie-Glasgow, and APACHE II, are determined 24 to 48 hours after presentation. This renders them unhelpful in the emergency department (ED) time frame.