32 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Interstitial lung ... • Shrinking lung ... , Gonococcal arthritis ... #pain #differential ... #diagnosis #rheumatology
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
OA, Traumatic arthritis ... crystals), TB arthritis ... , Septic arthritis ... #Analysis #Table ... Septic #Infective #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
“Bamboo Spine” Fusion ... • Reactive arthritis ... • Psoriatic arthritis ... • Rheumatoid Arthritis ... Erythematosus (SLE
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... 50%): Pleurisy / effusion ... , Restrictive lung ... of hip (rare), Arthritis ... symptoms #diagnosis #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... RA: rheumatoid arthritis ... SLE : systemic ... #Comparison #Table ... #Pulmonary #Rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Septic Arthritis ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic arthritis ... Poststreptococcal reactive arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... arthritis • Adult ... • Lyme arthritis ... #Arthritis # ... Joint #pain #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
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Gonococcal arthritis ... blennorrhagicum • Reactive arthritis ... • Psoriatic arthritis ... #skin #rashes #differential ... #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Lyme), reactive arthritis ... Chronic = RA, SLE ... , psoriatic arthritis ... #rheumatology # ... #diagnosis #arthritis