11 results
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Consciousness • Cranial ... Nerve Palsies ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... nerve in the radial ... anesthesia and deltoid weakness ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... damage to peroneal nerve ... claudication and weakness ... Myotomes #diagnosis #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 ... 30%) • Facial Nerve ... • Pain: Due to nerve ... #diagnosis #management ... #treatment #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... - Brain stem/Cranial ... nerve pathology ... Gravis #diagnosis #management ... #neurology
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 ... constipation Differential ... weakness and sensory ... #differential # ... diagnosis #causes #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... neuromuscular junction, cranial ... nerve, and the ... to ptosis and weakness ... #Differential #
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology ... #differential ... #algorithm
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... paralysis of all extremity ... Guillain #Barre #Syndrome ... #diagnosis #management ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
immune cells of the nervous ... , lower extremity ... conditions listed in differential ... Lateral #Sclerosis #neurology ... #diagnosis #management