12 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Herpes zoster - HIV ... Immobilization) • Acute ... lower #extremity #msk ... #physicalexam
Approach to Joint Pain

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

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Pain - Arthritis ... spine, shoulders, hips ... #Diagnosis #MSK ... #rheumatology #
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 ... Like in this case ... #Joint #Pain #MSK ... #rheumatology #
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 ... Brucellosis - Viruses: HIV ... Reactive Syndrome - Acute ... differential #diagnosis #msk ... #physicalexam
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
, cough, chest pain ... Extrapulmonary: ankle arthritis ... anterior/posterior MSK ... (2-5%), liver (pain ... extensor surface of legs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases to exclude are ... arthralgia, arm/leg ... of shoulder and hip ... purpura (lower legs ... Differential #Diagnosis #Rheumatology
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
examiner flexes the leg ... positive if they are ... table, or with pain ... #physicalexam # ... msk #orthopedics
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
examiner flexes the leg ... positive if they are ... table, or with pain ... #physicalexam # ... msk #orthopedics
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... antibodies, which are ... Screening Tests for Acute ... Additional tests: HIV ... , and low back pain