6 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
disorder and form ... the differential diagnosis ... and a positive Babinski ... reflex, presenting ... cord, peripheral nerve
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... muscles, muscle atrophy ... Increased Jaw Jerk reflex ... activity between nerve ... Lateral #Sclerosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... distribution with atrophy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Tongue and Facial Atrophy ... Lesions of Cranial Nerves ... hyperactive gag reflex ... Paraneoplastic Disorder ... Extra-Pyramidal
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... : Areflexia UMN ... Loss of muscle (atrophy ... #diagnosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
extensors of the arms (pyramidal ... Spasticity - Reflexes ... • Infectious causes ... brain and/or optic nerve ... #management #neurology