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Medical Author:

Shabir Bhimji, MD

Medical Editor:

William C. Shiel Jr., MD, FACP, FACR

William C. Shiel Jr., MD, FACP, FACR

Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

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Attacks of Raynaud's phenomenon are usually temporary. A doctor relies on your medical history to make a diagnosis of Raynaud's phenomenon. Unfortunately, there is single laboratory test to make a diagnosis of Raynaud's phenomenon. If the doctor suspects that you may have Raynaud's phenomenon caused by a specific disease, he or she may perform blood tests to check for antinuclear antibodies, rheumatoid factor, cryoglobulins, and serum protein electrophoreses; possibly X-rays of your cervical spine; and, occasionally, angiography (injected dye) for delineation of type and location of disease in blood vessels.

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