8 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... saddle (perineal) anesthesia ... Commonly caused ... #Myotomes #diagnosis ... #neurology #sensory
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Carpal Tunnel Syndrome ... regimental badge" anesthesia ... #Myotomes #diagnosis ... #neurology #sensory
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 ... • S - Saddle anesthesia ... - Emergency Causes ... region (S2-S4 dermatomes ... #causes #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... myelitis: Motor and sensory ... deficits ranging from paresthesia ... Manifestations #diagnosis ... #neurology #symptoms
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
at the level of sensory ... paralysis - Sensory ... loss - Saddle anesthesia ... #differential #diagnosis ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... of injury • Gait ... Non-compressive Spinal Cord Causes ... MCTD, Sjogren syndrome ... #neurology #differential
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
soles in 50% of cases ... and nephrotic syndrome ... tabes dorsalis, gait ... of pain and sensory ... Latent #Tertiary #Diagnosis
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
and Management ... Prevalence: 1-2 cases ... • Wide based gait ... #Management #treatment ... #neurology