Raynaud Phenomenon Differential Diagnosis: Rheumatologic - MCC systemic sclerosis, RA, SLE, Sjogren syndrome, Antisynthetase syndrome, MCTD Heme - Cryoglobulinemia, Hypercoagulable state (eg APLA) - Vascular: embolic/ thrombotic, vasospasm Drugs - Cocaine, Sympathomimetics, Chemotherapy (eg cisplatin, bleomycin, vinca alkaloids, gemcitabine) Other - Hypothyroidism - Carpal tunnel syndrome - Frostbite #Diagnosis #Reynaud #Phenomenon #Syndrome #Differential