13 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... • Sciatica • Tarsal ... #differential #diagnosis ... lower #extremity #msk ... #physicalexam
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED Management ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... spine Signs / Symptoms ... damage to sacral nerves ... #MSK #pathophysiology ... #diagnosis #symptoms
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... tunnel syndrome ... #MSK
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... and bilateral leg ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... #physicalexam
Scoliosis: Pathogenesis and clinical findings (Cobb Angle > 10 Degrees)

 • Incr Axial rotation of thoracic
Breasts, Apparent Leg ... -> Spinal nerve ... pathophysiology #msk ... #diagnosis #signs ... #symptoms
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... Multiple Sclerosis Diagnosis ... lesions) McDonald diagnostic ... Multiple #sclerosis #diagnosis ... #management #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
weakness, arms > legs ... Brain stem/Cranial nerve ... myasthenia Diagnosis ... - Repetitive nerve ... #management #neurology
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... and Management ... anterior/posterior MSK ... extensor surface of legs ... #Management #Signs