5 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Dermatomes and Myotomes ... Reflexes: • ... • Cauda Equina Syndrome ... such as fibular fracture ... #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
 •
and/or genital sensory ... distinguishing feature ... extremity weakness and sensory ... wink test - reflex ... diagnosis #causes #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... at the level of sensory ... in deep tendon reflexes ... Vertebral burst fracture
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... - C6, C7, C8 Elbow ... , T1 (median) Reflexes ... #diagnosis #neurology ... #sensory #motor
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
compression by fractured ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology ... differential #algorithm