What are the tests for bowel obstruction?

Physical examination: A true intestinal obstruction is an emergency condition. One should see a doctor immediately for a physical examination, the best "test." blood tests, x-ray, and possible ct scan may be the first tests performed.

Usually: If you have signs of obstruction the belly is big, tympanic, you have pain, you stopped passing gas and had no bm. The clinical examination palpation /percussion of the abdomen is quite accurate in these cases including a rectal examination, ascultation of the bowel sounds and a simple xray (kub) should lead to the diagnosis. Certainly high tech imaging is an option too...