12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Commonly caused ... Myotomes #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Campylobacter jejuni - HIV ... paralysis of all extremity ... Decreased / Absent Reflexes ... #neurology
Dropped Foot Gait - Paralysis of Dorsal Flexion of the Foot.
When trying to walk the tip
commonly observed in peripheral ... motor neuron disorders ... the thigh on the hip ... DroppedFoot #Gait #Neurology ... #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 ... cord infarct • HIV ... weakness and sensory ... axial T1 and T2 Treatment ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... , lower extremity ... Increased Jaw Jerk reflex ... diagnosis column Treatment ... Lateral #Sclerosis #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... syphilis, and HIV ... - Lower motor ... lesion - Upper motor ... differential #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Non-compressive Spinal Cord Causes ... , HIV, CMV, HTLV ... dysfunction • Abnormal reflexes ... , lower extremity ... disorders #diagnosis #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
immunodeficiency virus (HIV ... depressed deep tendon reflexes ... paralysis of all extremity ... and cauda equina TREATMENT ... diagnosis #management #neurology
Hoover's Sign for Functional Lower Extremity Paralysis

Used to distinguish organic from functional leg hemiparesis.

Ask the patient
Functional Lower Extremity ... the patient to flex ... suggests a functional weakness ... clinical #video #physicalexam ... #neurology #psychiatry