7 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • ... Commonly caused ... #diagnosis #neurology ... sensory #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Dermatomes and Myotomes ... , T1 (median) Reflexes ... #diagnosis #neurology ... sensory #motor #arm #physicalexam
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 ... Diagnosis: • Spinal cord ... spondylitis • Tethered cord ... region (S2-S4 dermatomes ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... deficiency - Syrinx ... involved) - Tendon reflex ... in deep tendon reflexes ... differential #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Causes: 1. ... dysfunction • Abnormal reflexes ... Symptoms: • Upper extremity ... , lower extremity ... disorders #diagnosis #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
multiple spinal cord ... - Causes progressive ... , lower extremity ... Increased Jaw Jerk reflex ... Lateral #Sclerosis #neurology
Tromner Sign on Physical Exam

The Trömner sign is commonly used as a clinical neurological examination for
of the spinal cord ... modified Rossolimo reflex ... or index finger causes ... clinical #Video #Neurology ... #physicalexam