6 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
pathology and muscle disorders ... disorder and form ... neurotransmitter cause ... LMN syndromes are ... positive Babinski reflex
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... , T1 (median) Reflexes ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Dermatomes and Myotomes ... Reflexes: • ... • Cauda Equina Syndrome ... Commonly caused ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... Non-compressive Spinal Cord Causes ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... : Areflexia UMN
Achalasia Summary

Epidemiology: 10 cases per 100,000 individuals

Defined by inadequate relaxation of the LES and aperistalsis
Primary or
Neurodegenerative disorders ... esophageal sphincter to relax ... esophageal motility disorders ... Laparoscopic myotomy ... the LES is the first-line
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
an autoimmune disorder ... muscles: “myasthenic crises ... AchR antibodies: first ... Myasthenia Crises ... diagnosis #management #neurology