15 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
WBC <2k: Noninflammatory ... lower limbs) • WBC ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... pain from: • Joint ... Enthesitis: • Site of pathology ... #Pain #MSK #rheumatology ... #approach #workup
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Viscosity: Low • WBC ... : Variable • WBC ... analysis: • MSU ... membrane histo-anthology ... diagnosis #septic #joint
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
, erythema and WBC ... effusion with few WBCs ... - Autoimmune Rheumatologic ... Differential #Diagnosis #MSK ... #rheumatology #
hematopoiesis - leukocyte maturation tree

- Amy Chung, MD, MSc @AmyChung 

#hematopoiesis #leukocytes #maturation #tree #pathophysiology #Hematology
Amy Chung, MD, MSc ... pathophysiology #Hematology ... Progenitor #Cells #WBC ... #pathology
MCP Synovitis on Ultrasound
Young rheumatology patient. Florid synovitis of the MCP joint with effusion on dynamic
MCP Synovitis on Ultrasound ... Young rheumatology ... synovitis of the MCP joint ... Synovitis #Metacarpal #MSK ... #Clinical #Joint
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
pericarditis • Hepatic: PBC ... Musculoskeletal: joint ... Scleroderma #SSc #rheumatology ... symptoms #testing #workup
Gout Tophus on POCUS

Linear transducer about 1cm away from bone/joint, typical of small joint in a
away from bone/joint ... typical of small joint ... tophus over the joint ... clinical #POCUS #ultrasound ... #msk #rheumatology
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Acromioclavicular (AC) Joint ... WBC/CRP/ESR elevated ... Arthrocentesis-64K WBC ... POCUS #clinical #ultrasound ... #MSK
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... of the affected joint ... Complete blood count (CBC ... Arthritis #laboratory #workup ... diagnosis #testing #Rheumatology