11 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... pain/Night sweats ... - Inflammatory ... Reactive Syndrome - Acute ... differential #diagnosis #msk
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Acute Joint Pain ... - See inflammatory ... joint pain Metabolic ... #JointPain #VitaminCD ... #Mnemonic #MSK
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... • Rheumatoid Arthritis ... Rheumatic Fever Acute ... #JointPain #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... differentiated: • Inflammatory ... : • Acute or chronic ... #Pain #MSK #rheumatology ... #approach #workup
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Pain - Arthritis ... Gram-negative bacilli ... Joint #pain #Differential ... #Diagnosis #MSK
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Articular - Acute ... #Infectious #JointPain ... #MSK #Differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... Pain - Diagnostic ... Chronicity: • Acute ... #Joint #Pain #MSK ... #rheumatology #approach
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
nociceptors -> Pain ... in Rheumatoid arthritis ... commonly affects the knee ... Comparison #Versus #MSK ... #JointDisease #JointPain
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... of hands/feet, knees ... ) • joint pain ... ideally limit for acute ... #Rheumatoid #Arthritis
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
and great toe pain-MTP ... luck with that approach ... X-rays= DJD, no acute ... POCUS revealed joint ... #ultrasound #MSK