27 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 ... Infectious Knee Effusions ... - Septic Arthritis ... #msk #physicalexam
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Fluid Analysis Effusion ... , Septic arthritis ... #Diagnosis #Differential ... Syonvial #Fluid #Effusion ... Aspiration #Pseudogout #Septic
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
) Joint Septic Arthritis ... Diagnosis? ... showed effusion ... glenohumeral joint effusion ... #Arthritis #Effusion
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
arthritis; however ... , the diagnosis ... WBC < 50,000 #Diagnosis ... Syonvial #Fluid #Effusion ... #Infective #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... “Bamboo Spine” Fusion ... Joint #Disorders #msk ... #Differential #Diagnosis
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
nongonococcal ) #Diagnosis ... Syonvial #Fluid #Effusion ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... analysis: • MSU ... rav7ks #Knee #Effusions ... Interpretation #diagnosis
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
• Secondary effusion ... joint with MRI effusion ... pathophysiology #diagnosis ... #signs #symptoms ... #msk
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
ASA, Kussmaul's sign ... circumferential pericardial effusion ... variation, (B) a septal ... expiration not meeting diagnostic ... Echocardiogram #a4c
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... - Large Joint Effusions ... Genitourinary tract -> Urethritis ... pathophysiology #diagnosis ... #signs #symptoms