15 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 ... differential #diagnosis #Neurology ... #Spine
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
cord - Spinal Cord ... Syndromes Spinal ... result in permanent neurologic ... Vertebral burst fracture ... #Cord #syndromes
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... spinal artery injury ... Syndrome ->Cord ... bladder and rectal reflex ... #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
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
cord infarct ... spondylitis • Tethered cord ... distinguishing feature ... wink test - reflex ... diagnosis #causes #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... compression by fractured ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... disorders #diagnosis #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
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
lesion at the C5-C6 spinal ... cord level. ... normally elicits elbow ... #neurology #clinical ... #video #physicalexam
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
after long bone fractures ... cord function and ... reflex activity ... cord injury, characterised ... bulbocarvenosus reflex
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