10 results
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... - Causes progressive ... Increased Jaw Jerk reflex ... activity between nerve ... #Sclerosis #neurology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... is bilateral which ... Exceptions to this rule are ... #CNXII #palsy # ... #physicalexam #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... dorsum of foot and lateral ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #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 ... - Emergency Causes ... Syringomyelia • Spinal AVM ... differential #diagnosis #causes ... #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... horizontal movements; also ... Decorticate posturing: Arms ... Casey Albin MD @ ... #PhysicalExam #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... : Areflexia UMN ... , lower extremity ... disorders #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
extremity, facial ... Can begin in arms ... Decreased / Absent Reflexes ... : Arms or legs ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... with peripheral nerve ... depressed deep tendon reflexes ... extremity, facial ... diagnosis #management #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
extensors of the arms ... (pyramidal distribution ... Spasticity - Reflexes ... brain and/or optic nerve ... diagnosis #management #neurology