13 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Root Sensory Motor ... None T7-T12 See Dermatomes ... differential #diagnosis #Neurology ... #Spine
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... Commonly caused ... Myotomes #diagnosis #neurology ... #leg #physicalexam
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
cord - Spinal Cord ... result in permanent neurologic ... Causes of spinal ... deficiency - Syrinx ... at the level of sensory
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 ... #disorders #diagnosis ... #neurology #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
and/or genital sensory ... - Emergency Causes ... cord infarct ... region (S2-S4 dermatomes ... #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Focal inflammatory disorder ... of the spinal cord ... Spasticity - Reflexes ... • Infectious causes ... diagnosis #management #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
• Myocarditis Pulmonary ... Gastro-Esophageal Reflux ... • Trauma - Neurologic ... • Somatoform Disorder ... • Spinal
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
cord. ... pathology and muscle disorders ... may mimic an LMN disorder ... hyporeflexia without sensory ... positive Babinski reflex
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
cord and nerve ... roots Spinal Cord ... Limb weakness, sensory ... lymphadenopathy, pulmonary ... neurological symptoms • Caused