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Blockage of the outlet of the stomach, so food cannot pass into the intestine, causing vomiting of stale food.
Gastric outlet obstruction blocks the stomach's exit (adults: peptic-ulcer scarring or cancer): vomiting of stale, bile-free food, fullness, weight loss, a distended stomach and a succussion splash; vomiting loses acid and salts.
Acute Appendicitis
Inflammation of the vermiform appendix — the commonest surgical abdominal emergency.
Intestinal Obstruction
A blockage that prevents the normal passage of bowel contents.
Gallstones & Cholecystitis
Stones in the gallbladder and the inflammation they can cause.
Hernias
Protrusion of an organ through a weak point in its containing wall.
Acute Abdomen
Sudden, severe abdominal pain that may need urgent surgery.
Approach to Rectal Bleeding
A structured differential of blood passed per rectum.