17 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 ... Knee Effusion ... Fever/Chills/Joint pain ... - Juvenile RA ... #diagnosis #msk
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... “Bamboo Spine” Fusion ... (RA) - Inflammation ... Joint #Disorders #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... suggested by warmth, effusion ... non-activity, may have effusion ... the morning • Effusion ... #Diagnosis #MSK
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... gangrenosum • IBD • RA ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
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 ... lesions Abdominal pain ... erythematosus #signs ... #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... (RA), Systemic ... lupus erythematosus ... #Diagnosis #rheumatology
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Rheumatoid arthritis ... (RA): Extra-articular ... , pleural effusion ... pathophysiology #signs ... #symptoms #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint Pain ... (RA) and many other ... #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... mass and NO prior signs ... Differential diagnosis ... (RA, CPPD) - Can ... #msk #rheumatology
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
left shoulder pain ... Diagnosis? ... showed effusion ... glenohumeral joint effusion ... #Effusion #POCUS