<prompt> Features of intestinal obstruction : clinicallyinvestigatiuon byAbdominal distensionVomitingFluid level in X-ray 4Localized tenderness  <response>: The diagnosis of dynamic intestinal obstruction is based on the classic quaet of pain, distension, vomiting and absolute constipation. Obstruction may be classified clinically into two types: small bowel obstruction - high or low; large bowel obstruction Ref: Bailey Love;s Sho Practice of Surgery,E25,Page-1192 