12 results
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
Marcus Gunn Phenomenon ... thought to be caused ... the trigeminal nerve ... clinical #video #neurology ... #physicalexam #
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Tumor • Motor Nerves ... Poliomyelitis, Guillain-Barre ... differential #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... #Palsy #PhysicalExam ... #orthopedics #msk ... #sports #neurology
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking ptosis is thought to be caused by abnormal innervation
Marcus Gunn Phenomenon ... thought to be caused ... the trigeminal nerve ... clinical #video #neurology ... #physicalexam #
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking ptosis is thought to be caused by abnormal innervation
Marcus Gunn Phenomenon ... thought to be caused ... the trigeminal nerve ... clinical #video #neurology ... #physicalexam #
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... • Pain: Due to nerve ... #management #treatment ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... with peripheral nerve ... #Syndrome #diagnosis ... #management #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Neuropathy - Foot drop ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... cause unknown) ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... Labyrinthitis ○ Epstein-Barr