​Differential diagnosis of causes of small intestine obstruction

​Differential diagnosis of causes of small intestine obstruction 
-chronic intestinal pseudo –obstruction 
-acute paralytic ileus due to myxedema, opioids, anticholinergic, sepsis, electrolyte abnormalities, pancreatitis, peritonitis, ruptured viscus, 
gastrointestinal or abdominal surgery
-mechanical obstruction of small intestine or proximal colon such as Crohn’s disease, volvulus, adhesions,