9 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 ... Framework Knee Effusion ... Infection - Systemic ... - Juvenile RA ... #msk #physicalexam
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Acromioclavicular (AC ... Diagnosis? ... showed effusion ... glenohumeral joint effusion ... #Effusion #POCUS
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
50%): Pleurisy / effusion ... of hip (rare), Arthritis ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
suggested by warmth, effusion ... noninflammatory Signs ... non-activity, may have effusion ... the morning • Effusion ... #MSK #rheumatology
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Rheumatoid arthritis ... Inflammation of pericardium ... pain, pleural effusion ... pathophysiology #signs ... #symptoms #diagnosis
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
cutaneous lupus • Arthritis ... domain: Pleural or pericardial ... effusion, Acute ... Erythematosus #diagnosis ... #rheumatology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... Palpable Joint effusion ... deviation, etc • Systemic ... Extra-articular signs ... #symptoms #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Lungs: • Pleural effusions ... Serositis: • Pleural/pericardial ... #Rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
overlaps with RA ... thickening or effusion ... phenomenon (16%) MSK ... Arthralgia and Arthritis ... Sjogrens #Syndrome #Rheumatology