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 ... Nerve Root Levels Spinal ... Sphincter None #SpinalCord ... #differential #diagnosis ... #Neurology #Spine
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
bladder and rectal reflex ... and #Acute #SpinalCord ... Injury #Syndromes #diagnosis ... pathophysiology #signs #symptoms ... #orthopedics #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... dysfunction • Abnormal reflexes ... #cord #spinalcord ... #disorders #diagnosis ... #neurology #differential
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... stroke, Acute spinal ... Delayed finding in spinal ... #differential #diagnosis ... #table #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... in deep tendon reflexes ... unilateral) #SpinalCord ... #differential #diagnosis ... #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... Differential Diagnosis ... #differential #diagnosis ... #causes #neurology
Upper Versus Lower Motor Neuron Findings

Denervation near the target muscle fibers (lower motor neuron disease) results
efferent limb of spinal ... reflexes, resulting ... Versus #Findings #Diagnosis ... #Table #Neurology
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
process fracture Stable ... deformity or neurologic ... deficit, still able ... • Vertebral canal ... #Orthopedics #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... - Narrowing of spinal ... canal and neural ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
- Differential Diagnosis ... Infarction • Stable ... Gastro-Esophageal Reflux ... • Trauma - Neurologic ... Disorder • Spinal