30 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
- Differential ... • Infectious Arthritis ... Crystal Arthropathy: Gout ... #arthritides #Differential ... #Diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... morning • Effusion leukocyte ... Crystal induced (Gout ... fever • Lyme • Gout ... • SLE • Psoriatic
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... Differential diagnosis ... • Inflammatory Arthritides ... #Gouty #Arthritis ... diagnosis #msk #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Nodules • RA • Gout ... Tophi - Gout ... , Gonococcal arthritis ... #joint #pain #differential ... #diagnosis #rheumatology
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
OA, Traumatic arthritis ... SLE, , RF , Pseudogout ... birefringent crystals), Gout ... , Septic arthritis ... #Diagnosis #Differential
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Monoarthritis - Differential ... Coccidioidomycosis Crystal - Gout ... - usually LE, early ... - SLE - Sarcoid ... Monoarthritis #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... IBD • RA • SLE ... erythematosus • SLE ... #skin #rashes #differential ... #diagnosis #rheumatology
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
• Rheumatoid arthritis ... • SLE, Sjogren's ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... Juvenile Idiopathic Arthritis ... erythematosus (SLE ... ANA #patterns #rheumatology ... #diagnosis #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Effusions: - Gout ... - Pseudo gout ... - SLE - Behcet ... Effusions #causes #differential