9 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 ... Antecubital Fossa Elbow ... Middle Finger Elbow ... Sphincter None #SpinalCord ... differential #diagnosis #Neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... -> Anterior spinal ... bladder and rectal reflex ... and #Acute #SpinalCord ... #orthopedics #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... in deep tendon reflexes ... Vertebral burst fracture ... 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
 •
distinguishing feature ... lower extremity reflexes ... bulbocavernosus reflex ... wink test - reflex ... diagnosis #causes #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... such as fibular fracture ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
compression by fractured ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... #cord #spinalcord ... disorders #diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... flexed at the elbow ... caseyalbin #PhysicalExam ... #neurology #comatose
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
lesion at the C5-C6 spinal ... normally elicits elbow ... Supinator #Test #Reflex ... #neurology #clinical ... #video #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam