293 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Seronegative Inflammatory Arthritis ... • Infectious Arthritis ... Spondyloarthropathy: Ankylosing Spondylitis ... , Psoriatic Arthritis ... , Reactive Arthritis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Juvenile idiopathic arthritis ... Pitting - Psoriatic arthritis ... Tumor-associated arthritis ... , Ankylosing spondylitis ... regurgitation - Ankylosing spondylitis
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
lumbosacral strain) • Spondylosis ... . degenerative arthritis ... e.g. ankylosing spondylitis ... e.g. psoriatic arthritis ... , reactive arthritis
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Lupus, Rheumatoid Arthritis ... , Ankylosing Spondylitis ... , Takayasu Arteritis ... , Takayasu Arteritis ... , Psoriatic Arthritis
Extraintestinal manifestations of Crohn’s disease
Dermatological: Aphthous stomatitis, Erythema nodosum, Psoriasis, Pyoderma gangrenosum
Vascular: Portal hypertension, Thromboembolism, Thrombosis,
embolism Arthropathy: Arthritis ... , Ankylosing spondylitis ... Pericarditis, Rheumatoid arthritis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
• Rheumatoid Arthritis ... Asymmetric (Psoriatic Arthritis ... • Ankylosing Spondylitis ... • Psoriatic Arthritis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Gonococcal arthritis ... • Ankylosing spondylitis ... blennorrhagicum • Reactive arthritis ... • Psoriatic arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
• Ankylosing spondylitis ... Joints • Reactive arthritis ... • Psoriatic arthritis ... • Rheumatoid Arthritis
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Diagnosis of Acute Arthritis ... Crystal-induced arthritis ... e.g., ankylosing spondylitis ... , psoriatic arthritis ... , reactive arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
to Joint Pain - Arthritis ... • Ankylosing Spondylitis ... • Reactive arthritis ... • Lyme arthritis ... #Arthritis #