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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... • Ischemic optic ... Neurologic system ... #pain #differential ... #diagnosis #rheumatology
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... SLE, , RF , Pseudogout ... , Septic arthritis ... #Diagnosis #Differential ... Effusion #Analysis #Table
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... with Systemic Lupus ... Erythematosus (SLE ... #Diagnosis #Algorithm
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... lesions • Discoid lupus ... #pain #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:
Pain - Diagnostic ... ): • Septic joint ... #Joint #Pain #MSK ... #rheumatology # ... #diagnosis #arthritis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(90%): Aseptic ... of hip (rare), Arthritis ... lesions Abdominal pain ... signs #symptoms #diagnosis ... #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... trauma (e.g., meniscal ... #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
dz difficult to see ... Osteomyelitis / Septic ... Arthritis: • ... #diagnosis #causes ... #hematology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... with temporal arteritis ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #