Seronegative Inflammatory Arthritis - Differential Diagnosis • Seronegative Rheumatoid Arthritis • Infectious Arthritis: Viral, Bacterial, Fungal • Systemic Rheumatic Disease: Systemic Lupus Erythematous, Systemic Vasculitis, Systemic Sclerosis, Sjogren's Disease, Sarcoidosis, Still's Disease, Inflammatory Myopathy • Crystal Arthropathy: Gout, CPPD • Seronegative Spondyloarthropathy: Ankylosing Spondylitis, Psoriatic Arthritis, IBD-Associated Arthritis, Reactive Arthritis, Undifferentiated UCSD Internal Medicine @ucsdim #Seronegative #Inflammatory #Arthritis #arthritides #Differential #Diagnosis #rheumatology