26 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint Pain ... Polyarticular Join Pain ... Myalgia • Viral Arthritis ... Onset • Fungal ... Infectious #JointPain #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint Pain ... History: Is the pain ... tenderness - No joint deformity ... to bacterial, fungal ... #MSK #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... • Ischemic optic ... Vasculitis (e.g., PAN ... conditions #joint #pain ... differential #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Mycobacterial • Fungal ... - Autoimmune Rheumatologic ... tuberculosis) • Fungi ... #Diagnosis #MSK ... #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
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
GCA), Takayasu's arteritis ... Polyarteritis Nodosa (PAN ... RD), Rheumatoid Arthritis ... M.tuberculosis, M. bovis • Fungi ... Differential #Diagnosis #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint pain ... Knee Effusions - Septic ... Arthritis: - ... Alphavirus - Fungi ... differential #diagnosis #msk
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
of Bone/Joint Pain ... Vaso-occlusive pain ... Osteomyelitis / Septic ... Arthritis: • ... diagnosis #causes #hematology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
• Fracture • Arthritis ... syndrome • Arthritis ... Poikilothermia • Septic ... arthritis - Rapid ... lower #extremity #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... (1 joint): • Septic ... • WBC >20k: Septic ... #Joint #Pain #MSK ... #rheumatology #