46 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 - 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 #
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
mellitus, thyroid disease ... injury (i.e. post ... will stop, but post-inflammatory ... FrozenShoulder #pathophysiology ... stages #staging #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 #
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... • Autoimmune diseases ... Adult-onset Still disease ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... NMO-IgG (anti-AQP4) should ... , MOG-IgG test should ... MCTD - Bechet disease ... Myelitis #diagnosis #management
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... • This case should ... - **MSK rads ... 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
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
microscopy and serial ... ANA ≠ Autoimmune Disease ... healthy adults, and should ... Lymphoproliferative Disorders, Infection ... ANA #patterns #rheumatology