Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Cyclic Vomiting Syndrome ?
    ### Response:
    A specific test to diagnose cyclic vomiting syndrome does not exist; instead, a health care provider will rule out other conditions and diagnose the syndrome based upon
                
- a medical and family history  - a physical exam  - a pattern or cycle of symptoms  - blood tests  - urine tests  - imaging tests  - upper GI endoscopy  - a gastric emptying test

    