43 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... Fluid Analysis Effusion ... birefringent crystals), Gout ... #Diagnosis #Differential ... Arthrocentesis #Joint
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Fever/Chills/Joint ... pain/Night sweats ... : - Gout - Pseudo ... #causes #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Pain Eyes ... Nodules • RA • Gout ... Tophi - Gout ... #pain #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... suggested by warmth, effusion ... Crystal induced (Gout ... Joint #pain #Differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Lyme), reactive arthritis ... , gout or pseudogout ... #Joint #Pain #MSK ... approach #workup #differential
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... pain in a few joints ... Effusions • Inflammation ... Genitourinary tract -> Urethritis ... dysuria, pelvic pain
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Monoarticular • Gout ... ) • Gout • Psoriatic ... JointPain #MSK #Differential
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... Crystalline - Gout ... “Bamboo Spine” Fusion ... Disorders #msk #Differential
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... interphalangeal joint ... with joint-space ... Differential diagnosis ... #Gouty #Arthritis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... : Is the pain from ... Disease: • Pain ... : - Pain occurs ... approach #workup #differential