14 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 ... None T7-T12 See Dermatomes ... Femoral Condyle Knee ... Sphincter None #SpinalCord ... differential #diagnosis #Neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... bladder and rectal reflex ... and #Acute #SpinalCord ... #Injury #Syndromes ... #orthopedics #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... stroke, Acute spinal ... cord injury Generalized ... cord injury, Early ... diagnosis #table #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... : • Knee - L2 ... • Cauda Equina Syndrome ... Commonly caused ... Myotomes #diagnosis #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... Causes of spinal ... in deep tendon reflexes ... unilateral) #SpinalCord
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... region (S2-S4 dermatomes ... wink test - reflex ... differential #diagnosis #causes ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Causes: 1 ... MCTD, Sjogren syndrome ... reflexes: Areflexia ... #cord #spinalcord ... disorders #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... spared in this injury ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
 The following #reflexes are routinely tested, and the response elicited is graded from zero to
of a nerve or spinal ... root injury. ... damage to the pyramidal ... bedridden, the knees ... In abnormal responses
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Awareness • Injury ... Casey Albin MD @ ... #PhysicalExam #neurology