6 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Arthritis ... stenosis/nerve compression ... Herpes zoster - HIV ... differential #diagnosis #lower ... extremity #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... stopping walking (vascular ... #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
due to severe compression ... - Emergency Causes ... cord infarct • HIV ... lumbar stenosis • Vascular ... • Provocative Tests
Ober's Test for TFL/ITB Inflammation

With the patient in the lateral position, affected side up.  The
, then slowly lowers ... the leg towards ... Iliotibial #Band #Syndrome ... clinical #video #physicalexam ... #sports #msk #orthopedics
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... pulse deficits vascular ... of shoulder and hip ... tract, and often causes ... legs), cutaneous
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
the upper and lower ... tract, and often causes ... and bullous or vesicular ... retinopathy Lab Tests ... Cryoglobulins • HIV