19 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... sarahthelyon #Upper ... #Pathologies #differential ... Neuropathy #anatomy #arm ... #innervation #neurology
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Characterized by low ... amplitude, near arm ... abduction of the arms ... clinical #video #neurology ... #copper #physicalexam
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Characterized by low ... amplitude, near arm ... abduction of the arms ... clinical #video #neurology ... #copper #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... Equina Syndrome - Low ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... symptoms: • Severe low ... constipation Differential ... Equina #syndrome #differential ... diagnosis #causes #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
COVID 19 - Zika virus ... Can begin in arms ... Absent Reflexes: Arms ... roots and cauda ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
with peripheral nerve ... of peripheral nerve ... intrathecal spinal nerve ... roots and cauda ... diagnosis #management #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... to the radial nerve ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Characterized by low ... amplitude, near arm ... abduction of the arms ... clinical #video #neurology ... #copper #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Lower roots -> Cauda ... - Vit B12 and copper ... disorders #diagnosis #neurology ... #differential