43 results
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 ... Inflammation of joints ... Effusions • Inflammation ... Genitourinary tract -> Urethritis ... pathophysiology #diagnosis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Noninflammatory • Bloody: Trauma ... neuropathy so trauma ... #differential #diagnosis ... #arthritis
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... effusions, reduced ... narrowing) • Ultrasound ... DIAGNOSIS based ... #Rheumatoid #Arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Fever/Chills/Joint ... - Septic Arthritis ... : - Reactive arthritis ... #differential #diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... Pathogenesis and Joint ... Joint involvement ... effusion (Swelling ... signs #symptoms #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Noninflammatory arthritis ... trauma (e.g., meniscal ... #differential #diagnosis ... #arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... suggested by warmth, effusion ... the morning • Effusion ... Noninflammatory • Trauma ... #Diagnosis #MSK
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Tender on top of ... Diagnosis? ... showed effusion ... effusion. ... #clinical #ultrasound
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... “Bamboo Spine” Fusion ... • Reactive arthritis ... #Differential #Diagnosis