8 results
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Unilateral Spinal Cord ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... #Algorithm #Causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... , T1 (median) Reflexes ... Wrist drop - Occurs ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... result in permanent neurologic ... at the level of sensory ... #differential #diagnosis ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
of injury • Gait ... Causes: 1. ... MCTD, Sjogren syndrome ... #neurology #differential ... #algorithm
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... Neuropathy - Foot drop ... Commonly caused ... #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
 •
and/or genital sensory ... - Emergency Causes ... Differential Diagnosis ... : • Spinal cord ... #causes #neurology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
regional pain syndrome ... Deafferentation - Loss of sensory ... Pain #Mechanisms #Neurology ... #Differential #Diagnosis ... #Algorithm #Causes
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
the differential diagnosis ... LMN syndromes are ... hyporeflexia without sensory ... neuron and muscle fiber ... positive Babinski reflex