6 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... Lower motor neuron ... the differential diagnosis ... Similarly, the damaged lower ... This lesion causes
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Disease of motor ... - Causes progressive ... muscles, muscle atrophy ... Upper extremity, lower ... loss of muscle (atrophy
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Triceps power is ... distribution with atrophy ... Dermatomes #Myotomes #diagnosis ... #arm #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... spasticity • Lower ... Non-compressive Spinal Cord Causes ... - Transverse myelitis ... Loss of muscle (atrophy
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... - Emergency Causes ... • Transverse myelitis ... extremity muscle atrophy ... #causes #neurology
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... The sensory and motor ... moves rapidly from lower ... Differential diagnosis ... Multiple Sclerosis: CNS