22 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- DDX: - Infection ... to the knee Infectious ... Knee Effusions - Septic ... Post-Infectious ... differential #diagnosis #msk
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... within 1 month of infection ... Erythematosus (SLE), should ... Joint #Disorders #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... - Autoimmune Rheumatologic ... Disease OLIGOARTHRITIS ... Differential #Diagnosis #MSK ... #rheumatology #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... (1 joint): • Septic ... • WBC >20k: Septic ... #Joint #Pain #MSK ... #rheumatology #
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... • This case should ... diffuse chondral disease ... #rheumatology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
weird joints (shoulders ... • Underlying disease ... states Pathophysiology ... Wrist, MCP, or shoulder ... #Comparison #rheumatology
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's Disease ... Must rule out other ... susceptibility, infectious ... #AOSD #rheumatology ... #diagnosis #management
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
microscopy and serial ... healthy adults, and should ... Juvenile Idiopathic Arthritis ... Lymphoproliferative Disorders, Infection ... ANA #patterns #rheumatology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
should be considered ... Cervical spine arthritis ... Cricoarytenoid arthritis ... artery aneurysm, Pott ... differentiate disease
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Gout/pseudogout ... Legg-Calve-Perthes disease ... Leg Pain: • Infection ... Poikilothermia • Septic ... lower #extremity #msk