13 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... sarahthelyon #Upper #Extremity ... #differential #diagnosis ... #Neuropathy #anatomy ... #innervation #neurology
Lower Extremity Nerve Pathologies 

 • Obturator
 • Femoral
 • Common Peroneal
 • Tibial
 • Superior
Lower Extremity ... Nerve Pathologies ... #differential #diagnosis ... #Neuropathy #anatomy ... #innervation #neurology
Brachial Plexus Lesions - Localization and Presentation

Erb palsy ("waiter's tip"), 
Klumpke palsy, 
Thoracic outlet syndrome, Winged
Thoracic outlet syndrome ... Klumpke #ClawHand #Diagnosis ... #Anatomy ** ... GrepMed Recommended Text ... Review in Clinical Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
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 ... Differential Diagnosis ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential Diagnosis ... Consciousness • Cranial Nerve ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
paralysis of all extremity ... • Pain: Due to nerve ... Guillain-Barre Diagnosis ... #diagnosis #management ... #treatment #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... tympanic membrane • Neurologic ... II ○ Susac’s syndrome ... #Differential #Diagnosis
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... Bedside: ice pack test ... /Edrophonium test ... - Repetitive nerve ... #management #neurology