36 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... sensory #motor #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Patellofemoral pain syndrome ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... signs #symptoms #msk ... #orthopedics #neurology
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... clinical #video #neurology ... #physicalexam #
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Physical Exam Caused ... Winged #Scapula #PhysicalExam ... clinical #video #neurology ... #msk
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
That causes the ... Injury #Positive #ACLTear ... clinical #video #PhysicalExam ... cruciate #ligament #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... #LowerLimb #Extremity ... sensory #motor #leg #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... Diagnosis #Algorithm #Causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... unilateral lower extremity ... or absent lower extremity ... differential #diagnosis #causes ... #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... Neuromuscular #Weakness #Causes