18 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 ... - Pseudo gout ... Reactive Syndrome - Acute ... differential #diagnosis #msk
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Rheumatic Fever Acute ... #Inflammatory #JointPain ... #MSK #Differential
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 - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... fever • Lyme • Gout ... Gram-negative bacilli ... Joint #pain #Differential ... #Diagnosis #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Chronicity: • Acute ... , gout or pseudogout ... • Acute = Viral ... #Joint #Pain #MSK
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
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
• Fracture • Arthritis ... • Gout/pseudogout ... syndrome • Arthritis ... Immobilization) • Acute ... lower #extremity #msk
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... of hands/feet, knees ... pain / swelling ... Ultrasound Diagnosis: CLINICAL ... ideally limit for acute
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathogenesis and clinical ... of the Hip • Arthritis ... Pain • Valgus ... position of knee ... signs #diagnosis #msk
Baker's Cyst on POCUS 
63yo w p/w pain and swelling behind knee.  Probe on knee
Baker's Cyst on POCUS ... 63yo w p/w pain ... , and bam - POCUS ... dx) that pops out ... #clinical #msk