34 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
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... Fluid Analysis Effusion ... #Diagnosis #Differential ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... Effusions • Inflammation ... Genitourinary tract -> Urethritis ... pathophysiology #diagnosis ... #signs #symptoms
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
• 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
Diagnosis? ... showed effusion ... effusion. ... #Arthritis #Effusion ... clinical #ultrasound #MSK
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... effusion (Swelling ... Extra-articular signs ... pathophysiology #signs ... #symptoms #diagnosis
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 ... : CLINICAL DIAGNOSIS ... #Rheumatoid #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... “Bamboo Spine” Fusion ... #Disorders #msk ... #Differential #Diagnosis
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
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
rule out septic arthritis ... ; however, the diagnosis ... WBC < 50,000 #Diagnosis ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion