25 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Dermatomes and Myotomes ... Reflexes: • Knee ... Medical Emergency ... #diagnosis #neurology ... #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... aracteristic "claw hand ... nerve in the radial ... #diagnosis #neurology ... sensory #motor #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Herpes zoster - HIV ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... None T7-T12 See Dermatomes ... Thigh Hip Flexion ... #differential #diagnosis ... #Neurology #Spine
Hemiplegic Gait 

With a hemiplegic gait there is impaired natural swinging at the hip and knee
swinging at the hip ... and knee with leg ... Hemiplegic #Gait #Neurology ... #PhysicalExam # ... clinical #video
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Superior gluteal nerve ... abduction and medial ... Valgus position of knee ... symptoms #signs #diagnosis
Dropped Foot Gait - Paralysis of Dorsal Flexion of the Foot.
When trying to walk the tip
common fibular nerve ... the thigh on the hip ... DroppedFoot #Gait #Neurology ... #PhysicalExam # ... clinical #video
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
paralysis of all extremity ... Weakness: Starts in legs ... Reflexes: Arms or legs ... Paresthesias: Hands ... #treatment #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... Differential Diagnosis ... cord infarct • HIV ... region (S2-S4 dermatomes ... #causes #neurology
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
arms and legs. ... consistent with a diagnosis ... #Jaw #Clonus #PhysicalExam ... #Clinical #Video ... #ALS #Neurology