14 results
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 ... - Systemic disease ... Effusions #causes #differential ... #diagnosis #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... Lyme), reactive arthritis ... Inflammatory, crystalline disease ... #Joint #Pain #MSK ... approach #workup #differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... necrosis, and Paget disease ... #Pain #MSK #rheumatology ... approach #workup #differential
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Joint Disease ... time (hours) to be ... in Rheumatoid arthritis ... commonly affects the knee ... Comparison #Versus #MSK
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Rheumatologic Disease ... burgdorferi (Lyme disease ... Joint #pain #Differential ... #Diagnosis #MSK
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... with joint-space ... Differential diagnosis ... diffuse chondral disease
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Deformity / Limp - Differential ... • Rickets Hip Joint ... Knee Joint • ... Deformity #Limp #MSK ... #Differential #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Legg-Calve-Perthes disease ... - HIV - Lyme disease ... #Leg #pain #differential ... lower #extremity #msk
Iliotibial Band Friction Syndrome - MSK Radiology
Imaging Findings:
 • The iliotibial band (ITB) is thickened with
Friction Syndrome - MSK ... • Treatment: Conservative ... Findings of chronic disease ... Differential diagnosis ... Radiology #diagnosis #msk
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
caused by the inability ... Then, ask 3 questions ... approach to the differential ... vaptans (HF/liver disease ... #management #nephrology