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
Sensory Motor Reflex ... S3/S4 Perianal Region ... Sphincter None #SpinalCord ... #differential #diagnosis ... #Neurology #Spine
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Primarily Upper Extremity ... bladder and rectal reflex ... and #Acute #SpinalCord ... Injury #Syndromes #diagnosis ... #orthopedics #neurology
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... Syndrome • Complex regional ... syndrome type 1 (reflex ... #differential #diagnosis ... #PhysicalExam #
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and Myotomes Reflexes ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... reflexes - reduced ... in the perianal region ... #differential #diagnosis ... #causes #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... dysfunction • Abnormal reflexes ... and/or bulbar region ... #spinal #cord #spinalcord ... #neurology #differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
segment: Upper extremity ... , lower extremity ... and/or bulbar region ... Increased Jaw Jerk reflex ... Lateral #Sclerosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
paralysis of all extremity ... • Weakness: Starts ... Decreased / Absent Reflexes ... Guillain-Barre Diagnosis ... management #treatment #neurology