16 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... • Gout/pseudogout ... Pain: • Infection ... Pain: • PAD ... lower #extremity #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... , gout or pseudogout ... that patient had ... #Joint #Pain #MSK ... #rheumatology #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Nodules • RA • Gout ... Tophi - Gout ... Lyme disease, Vasculitis ... (e.g., PAN) ... #diagnosis #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... mass and NO prior signs ... #Gouty #Arthritis ... #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... Schönlein purpura • PAN ... #pain #skin #rashes ... differential #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... noninflammatory Signs ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
knees, shoulders Signs ... pain / swelling ... corticosteroid injections ... #diagnosis #management ... #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... arthralgia, arm/leg ... Polyarteritis Nodosa: • PAN ... purpura (lower legs ... Differential #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... to exclude are infections ... purpura: strong sign ... Vessels: Supply gut ... differential #diagnosis #rheumatology
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
and Management ... deposition in joints ... frequent attacks • Arthritis ... double contour sign ... #treatment #rheumatology