10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Wrist drop - Occurs ... nerve in the radial ... Myotomes #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Sub-Cortical (Corona radiata ... • Diplopia • Dysarthria ... Nerve Palsies ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Causes of Dysarthria ... Nerves VII, IX, ... hyperactive gag reflex ... Disorder Extra-Pyramidal ... #Neurology #Differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Dysarthria or dysphagia ... Increased Jaw Jerk reflex ... activity between nerve ... neurons - IV free radical ... Lateral #Sclerosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Nerves: Brainstem ... Casey Albin MD @ ... #PhysicalExam #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Nerve Palsies / ... Decreased / Absent Reflexes ... • Pain: Due to nerve ... management #treatment #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 ... MRI- Sagittal, axial ... differential #diagnosis #causes ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
15%: Dysphagia, dysarthria ... - Brain stem/Cranial ... nerve pathology ... - Repetitive nerve ... diagnosis #management #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... depressed deep tendon reflexes ... all extremity, facial ... diagnosis #management #neurology
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Strength, Normal Reflexes ... Other Congenital Syndromes ... Peripheral Weakness - Nerves ... #Peds #Pediatrics