43 results
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 ... - Aneurysmal bone ... #Effusions #causes ... #msk #physicalexam
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis ... Rheumatoid Nodules, Pulmonary ... Disease and ILD ... #RA #diagnosis ... #rheumatology #signs
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... RA: rheumatoid arthritis ... LungDisease #CTILD #Diagnosis ... Differential #Comparison #Table ... #Pulmonary #Rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Positive pathergy test ... is a skin prick test ... ) Differential Diagnosis ... #signs #symptoms ... #rheumatology #
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Other Causes ... Knee Joint • ... Patellofemoral Syndrome ... Deformity #Limp #MSK
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... resolve within one ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... the subchondral bone ... #Joint #Pain #MSK ... #rheumatology # ... #differential #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Framework Bone ... Legg-Calve-Perthes disease ... - HIV - Lyme disease ... lower #extremity #msk
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
nonerosive inflammatory arthritis ... Rule out other causes ... blockers had the best ... osteoarticular and skin disease ... #Dermatology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Rheumatoid Arthritis ... Chronic Obstructive Pulmonary ... Disease Neurologic ... Chronic Fatigue Syndrome