10 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Disease • Reactive ... Disease) • Reactive ... Carditis) • Lyme Disease ... Arthritis #Inflammatory
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Using fluorescence microscopy ... likely it will be clinically ... • Rheumatic Diseases ... #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Systemic disease ... bowel disease ... - Rheumatoid arthritis ... SLE - Behcet Disease ... diagnosis #msk #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Diseases • Septic ... polarized light microscopy ... disease (e.g., ... connective-tissue disease ... #Disease #Rheumatoid
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... (Granulomatous disease ... rheumatic diseases ... atherosclerotic disease ... most important diseases
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Decade Skin Disease ... Classification: ... Still disease, ... tissue disease ... ) • Kikuchi disease
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
, rheumatoid arthritis ... life-threatening Differential ... /Cranial nerve pathology ... myasthenia Diagnosis ... #management #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
rheumatic diseases ... atherosclerotic disease ... most important diseases ... (GRANULOMATOUS DISEASE ... often causes arthritis
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
antimicrobials, clinical ... but important causes ... antibodies, rheumatoid ... exists Infectious Diseases ... #differential #
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid ... arthritis, Ankylosing ... the extent of disease ... wasting Bone/Joint ... polarized light microscopy