11 results
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
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... (CES) is usually ... - Emergency Causes ... myelopathy • Transverse ... #causes #neurology
Chronic SVC Stenosis with Caudal Blood Flow of Dilated Abdominal Veins

60 y/o hx of seizures &
Stenosis with Caudal ... What is the cause ... chronic stenosis of his ... #Milking #SVC #syndrome ... #Video #Chest #PhysicalExam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... Equina Syndrome ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Tunnel Syndrome ... In this case, the ... clinical #video #physicaleaxm ... #neurology #orthopedics ... #msk #CTS
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... MINOR INJURIES • Transverse ... fractures: Don't cause ... injury 3 Cauda ... #diagnosis #localization
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Sciatica • Tarsal ... Herpes zoster - HIV ... #differential #diagnosis ... extremity #msk #physicalexam
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Diagnosis: • Dry ... Hypocomplementemia • Can cause ... nervous system (CNS ... peripheral neuropathy, transverse ... • 8%-27% for CNS
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... Lower roots -> Cauda ... Non-compressive Spinal Cord Causes ... sclerosis - Transverse ... MCTD, Sjogren syndrome
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... auditory nerve (CN ... II ○ Susac’s syndrome ... zoster virus ○ HIV ... #Differential #Diagnosis