24 results
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Neuromuscular Weakness ... Brainstem - Spinal ... Brainstem - Spinal ... #Differential # ... Neurology #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... • Spinal Cord: ... heavy metals), Critical ... #Causes #differential ... #diagnosis #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... HIV) - Vitamin B12 ... #lesions #differential ... #diagnosis #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
of Peripheral Weakness ... Sensory Changes - Differential ... Neuropathy • Spinal ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... Pathogenesis and clinical ... Upper extremity weakness ... anesthesia. leg weakness ... #orthopedics #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... neurological lesion: Clinical ... myelopathy - Vit B12 ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lesions of the spinal ... endocrine: Vitamin B12 ... #Differential # ... Diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
of Hemiplegia - Differential ... findings Unilateral Spinal ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... #Differential #
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
abdominis muscle weakness ... paralysis from spinal ... lesions between T9-T12 ... #PhysicalExam #clinical ... video #umbilicus #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... constipation Differential ... lower extremity weakness ... #differential # ... diagnosis #causes #neurology