11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... ) Finger: • Mexion ... Saturday night palsy ... Myotomes #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... trauma_modern #Wrist ... #orthopedics #msk ... #sports #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Inverted Supinator Test ... consisting of finger ... #Reflex #neurology ... #orthopedics #msk ... #sports #IRR #Radial
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
forearm supination → wrist ... dorsiflexion/finger ... #physicalexam #sports ... #msk #orthopedics ... #neurology #ULNT
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... all extremity, facial ... • Weakness: Starts ... #management #treatment ... #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
forearm supination → wrist ... dorsiflexion/finger ... #physicalexam #sports ... #msk #orthopedics ... #neurology #ULNT
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
cord • Guillain-Barre ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... diagnosis #causes #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... OD and counting fingers ... formation) and MLF (medial ... diagnosed with MS ... ophthalmology #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... all extremity, facial ... and sensitive tests ... #Syndrome #diagnosis ... #management #neurology
Hearing Loss - Differential Diagnosis Framework

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