ETIOLOGY OF RAYNAUDS PHENOMENON

Primary Raynauds Phenomenon

Secondary Raynauds Phenomenon

     Connective Tissue Disorders

          Scleroderma

          Systemic Lupus Erythematosus (SLE)

          Dermatomyositis

          Sjogrens Syndrome

Vasculitis

Hyperviscosity Disorders

     Polycythemia Vera (PCV)

     Essential Thrombocytosis (ET)

     Multiple Myeloma

     Waldenstroms Macroglobulinemia

     Cryoglobulinemia

Thoracic Outlet Syndrome

Neurogenic

Medications

     Beta Blockers

     Amphetamines

     Ergot Preparations

     Vinblastine

     Bleomycin

     Oral Contraceptives

Nicotine

Malignancy