31 results
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... Inflammation of joints ... Effusions • Inflammation ... Genitourinary tract -> Urethritis ... pathophysiology #diagnosis #signs
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
suggested by warmth, effusion ... noninflammatory Signs ... - Autoimmune Rheumatologic ... #Diagnosis #MSK ... #rheumatology #
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... knees, shoulders Signs ... effusions, reduced ... #Rheumatoid #Arthritis ... diagnosis #management #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Lyme), reactive arthritis ... SLE, psoriatic arthritis ... #Joint #Pain #MSK ... #rheumatology # ... differential #diagnosis #arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... “Bamboo Spine” Fusion ... • Reactive arthritis ... @AmyChung #Joint ... #Disorders #msk
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... Pathogenesis and Joint ... effusion (Swelling ... Extra-articular signs ... pathophysiology #signs
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Noninflammatory arthritis ... with rheumatoid arthritis ... oxalate Infectious Arthritis ... #Pain #MSK #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... - Septic Arthritis ... : - Reactive arthritis ... RA/Idiopathic arthritis ... differential #diagnosis #msk
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
patellofemoral joint ... • Secondary effusion ... with MRI effusion ... pathophysiology #diagnosis #signs ... #symptoms #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
) Joint Septic Arthritis ... Scan over AC joint ... AC joint septic ... #Arthritis #Effusion ... clinical #ultrasound #MSK