11 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
: • Knee - L2 ... • Cauda Equina Syndrome ... Commonly caused ... Myotomes #diagnosis #neurology ... #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Herpes zoster - HIV ... • Iliotibial band ... Hair loss- feet and ... lower #extremity #msk ... #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... aracteristic "claw hand ... " ± Horner Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Ober's Test for TFL/ITB Inflammation

With the patient in the lateral position, affected side up.  The
slowly lowers the leg ... Test #Iliotibial #Band ... #Syndrome #ITBand ... #video #physicalexam ... #sports #msk #orthopedics
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Management Summary ... Pulmonary: dyspnea ... acute sarcoidosis Pulmonary ... anterior/posterior MSK ... extensor surface of legs
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Weakness: Starts in legs ... Reflexes: Arms or legs ... #diagnosis #management ... #treatment #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
weakness, arms > legs ... immunologic assay - MuSK ... Myasthenia Crises ... Gravis #diagnosis #management ... #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... hip • Muscle strength ... affects the skin, neurologic ... often causes arthritis ... purpura (lower legs
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Hypocomplementemia • Can cause ... Disease: • 10%-15% Pulmonary ... , INC risk PE, Pulmonary ... phenomenon (16%) MSK ... Rheumatology #Diagnosis #Management
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
flexors of the legs ... • Infectious causes ... , Hep A/B/CMV, TB ... Myelitis #diagnosis #management ... #neurology #differential