16 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 ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... stroke, Acute spinal ... cord injury, Early ... #differential #diagnosis ... #table #neurology
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 ... #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
 •
- Emergency Causes ... Differential Diagnosis ... : • Spinal cord ... region (S2-S4 dermatomes ... #causes #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
extensors of the arms (pyramidal ... Spasticity - Reflexes ... bouts of HTN Diagnostic ... • Infectious causes ... #management #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... - Differential Diagnosis ... Cord Causes: 1 ... dysfunction • Abnormal reflexes ... #neurology #differential
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
- Differential Diagnosis ... Gastro-Esophageal Reflux ... • Trauma - Neurologic ... Disorder • Spinal ... #Differential #Diagnosis
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
Tromner Sign on Physical Exam

The Trömner sign is commonly used as a clinical neurological examination for
segments of the spinal ... cord. ... or index finger causes ... thumb; seen in pyramidal ... #physicalexam