Is Angio Test Suggested During Constant Stomach Pain With Vomiting ?

Hi, My name is Rajesh, 27years old from chennai.In case of my body temperature rises , i get a stomach pain problem , and whatever i had any food stuff , i gets vomitting. and the pain continues for nearly 6-7hrs.. later all is fine and i dont have any pain after 7hrs.. This problem comes for me once in four to six months. When i consulted a doctor he prescribes to do Ultrasound Test for Abdomen , and the test results clears that all the things are normal. But he also prescribes to do for angio test.Can you pls tell whether now is it nesessary to do angio test? and how much cost to do test in chennai?