15 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Wrist drop - Occurs ... spared in this injury ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Wrist Drop on Physical Exam - Caused by Radial Nerve Injury

#Wrist #Drop #PhysicalExam #Radial #Nerve #Injury
Exam - Caused by ... Radial Nerve Injury ... #PhysicalExam # ... Radial #Nerve #Injury ... clinical #video #neurology
Wrist Drop on Physical Exam - Caused by Radial Nerve Injury

#Wrist #Drop #PhysicalExam #Radial #Nerve #Injury
Exam - Caused by ... Radial Nerve Injury ... #PhysicalExam # ... Radial #Nerve #Injury ... clinical #video #neurology
Wrist Drop on Physical Exam - Caused by Radial Nerve Injury

#Wrist #Drop #PhysicalExam #Radial #Nerve #Injury
Exam - Caused by ... Radial Nerve Injury ... #PhysicalExam # ... Radial #Nerve #Injury ... clinical #video #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Neuropathy - Foot drop ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Repetitive strain injury ... Trauma • Crush injury ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
SBP <90, drop in ... Insufficiency, Liver Failure ... Medications, Spinal Cord Injury ... Abdominal compartment syndrome ... Differential #Diagnosis #criticalcare
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... receive proper treatment ... is no mainstay treatment ... ophthalmology #physicalexam ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... paralysis of all extremity ... Treatment: • Plasmapheresis ... diagnosis #management #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 ... - Emergency Causes ... axial T1 and T2 Treatment ... differential #diagnosis #causes ... #neurology