18 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 ... Fever/Chills/Joint ... Infectious Knee Effusions ... #msk #physicalexam
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... “Bamboo Spine” Fusion ... with Systemic Lupus ... #Disorders #msk ... #Differential #Diagnosis
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... Effusions • Inflammation ... Genitourinary tract -> Urethritis ... pathophysiology #diagnosis ... #signs #symptoms
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
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
• Secondary effusion ... with MRI effusion ... pathophysiology #diagnosis ... #signs #symptoms ... #msk
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 ... #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 ... #Diagnosis #MSK
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Diagnosis? ... showed effusion ... effusion. ... #Arthritis #Effusion ... clinical #ultrasound #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... #rheumatology # ... #differential #diagnosis
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Arthritis domain ... in at least 2 joints ... or pericardial effusion ... Erythematosus #diagnosis ... #rheumatology