13 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... tenderness - No joint deformity ... to bacterial, fungal ... #Joint #Pain #MSK ... #rheumatology #
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Myalgia • Viral Arthritis ... Fasciitis • Septic ... Onset • Septic ... Onset • Fungal ... Infectious #JointPain #MSK
Approach to Gout
Diagnosis: r/o septic arthritis! Needle-shaped, negative birefringent crystals
Treatment:
 • Weight loss, diet, d/c culprit
Approach to Gout ... Diagnosis: r/o septic ... arthritis! ... treatment #ULT #rheumatology
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Inflammatory arthritis ... Culture: Negative Septic ... analysis: • MSU ... and culture • Fungal ... : Fungal stain and
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Mycobacterial • Fungal ... tuberculosis) • Fungi ... Differential #Diagnosis #MSK ... #rheumatology #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... (1 joint): • Septic ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Infection • Septic ... Arthritis • Cortical ... Dwarfism #Bone #Deformity ... #Limp #MSK #Differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Septic ... Arthritis: - ... Alphavirus - Fungi ... : - Reactive arthritis ... differential #diagnosis #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Arthritis on POCUS ... arthritis rare. ... arthritis. ... #POCUS #clinical ... #ultrasound #MSK
Radiocarpal Wrist Injection

Radiocarpal wrist injection. Often swelling is more prominent in inflammatory arthritis on radial side
in inflammatory arthritis ... often use this approach ... physicalexam #procedure #msk ... orthopedics #sports #rheumatology