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Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
cord. ... cord. ... pathology and muscle disorders ... disorder and form ... positive Babinski reflex
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... Cord Causes: 1 ... dysfunction • Abnormal reflexes ... : Areflexia UMN ... #neurology #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
of the spinal cord ... extensors of the arms (pyramidal ... Spasticity - Reflexes ... • Infectious causes ... diagnosis #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
and multiple spinal ... cord regions of ... - Causes progressive ... Increased Jaw Jerk reflex ... Lateral #Sclerosis #neurology
Wrist Clonus on Physical Exam

Clonus is a reflex muscle contraction produced by a sudden extension of
Wrist Clonus on ... Clonus is a reflex ... of the brain or spinal ... cord), the presence ... Clinical #Video #Neurology
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Infant (Floppy Newborn ... Strength, Normal Reflexes ... CordSpinal ... #Peds #Pediatrics
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
of a nerve or spinal ... damage to the pyramidal ... cord injury, frontal ... neurodegenerative disorders ... Wrist clonus is
Tromner Sign on Physical Exam

The Trömner sign is commonly used as a clinical neurological examination for
segments of the spinal ... cord. ... or index finger causes ... thumb; seen in pyramidal ... clinical #Video #Neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
hyperactive gag reflex ... and Pitch • Spinal-Cerebellar ... Paraneoplastic Disorder ... Extra-Pyramidal ... #Dysarthria #Neurology