15 results
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
Radiculopathy: Signs ... over time) • Weakness ... root's dermatome ... Radiculopathy #MSK #diagnosis ... #pathophysiology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... damage to peroneal nerve ... claudication and weakness ... #Myotomes #diagnosis ... #neurology #sensory
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Carpal Tunnel Syndrome ... anesthesia and deltoid weakness ... #Myotomes #diagnosis ... #neurology #sensory
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Progression of weakness ... sensory symptoms or signs ... , Cranial nerve ... nervous system signs ... #neurology #neuropathy
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... • Acute stroke syndromes ... Lack of UMN/LMN signs ... #Differential #Diagnosis ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... • Pain: Due to nerve ... Guillain-Barre Diagnosis ... #diagnosis #management ... #treatment #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Upper extremity weakness ... anesthesia. leg weakness ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Complications: • Weakness ... damage to sacral nerves ... #MSK #pathophysiology ... #diagnosis #symptoms
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... test - Cogan sign ... - Peek sign ... - Repetitive nerve ... #management #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... with peripheral nerve ... the underlying pathophysiology ... Guillain #Barre #Syndrome ... #neurology