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Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
LMN syndromes are ... UMN lesions are ... LMN lesions are ... , peripheral nerve ... @DharSaty #UMN
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
multiple spinal cord ... - Causes progressive ... Increased Jaw Jerk reflex ... activity between nerve ... Lateral #Sclerosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... Lower roots -> Cauda ... Causes: 1. ... : Areflexia UMN ... plantar response LMN
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 ... Diagnosis: • Spinal cord ... spondylitis • Tethered cord ... #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 ... • Infectious causes ... brain and/or optic nerve