18 results
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis ... Disease, Rheumatoid Vasculitis ... Disease and ILD Complications ... #RA #diagnosis ... rheumatology #signs #symptoms
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... ANCA associated vasculitis ... (RA), Systemic ... lupus erythematosus ... #Differential #Diagnosis
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
- Arthralgia, Arthritis ... Myopathy (Also caused ... Erythematosus #SLE #MSK ... Musculoskeletal #Complications ... #diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... (RA) - Inflammation ... with Systemic Lupus ... should have other symptoms ... Joint #Disorders #msk
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... inflammation Others: • Lupus ... such as systemic lupus ... Presentation - Systemic Symptoms
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... - Juvenile RA ... Ligamentous injuries - Meniscal ... #msk #physicalexam
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... (RA) and many other ... trauma (e.g., meniscal ... #Joint #Pain #MSK ... #differential #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... - 10% SLE or RA ... Labs/Diagnosis: ... (e.g. systemic lupus
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis ... #signs #symptoms ... #complications
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Rheumatoid arthritis ... blood vessels (vasculitis ... inflammation tends to cause ... pathophysiology #signs #symptoms ... #diagnosis #ExtraArticular