6 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • ... • Cauda Equina Syndrome ... dysfunction, and bilateral ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Dermatomes and Myotomes ... , T1 (median) Reflexes ... #UpperLimb #Extremity ... #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
 •
Sciatica: often bilateral ... Differential Diagnosis ... Examination - bilateral ... region (S2-S4 dermatomes ... #causes #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... dysfunction to the bilateral ... • Gag reflex ... #PhysicalExam #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... Tract Lesions: • Bilateral ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... #neurology #differential