30 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... sensory #motor #arm #physicalexam
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... clinical #video #neurology ... #physicalexam #
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... #LowerLimb #Extremity ... sensory #motor #leg #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Patellofemoral pain syndrome ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... Diagnosis #Algorithm #Causes
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 ... unilateral lower extremity ... or absent lower extremity ... differential #diagnosis #causes ... #neurology
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Physical Exam Maneuvers ... ptotic eyelid will cause ... Myasthenia #Gravis #PhysicalExam ... #Maneuvers #Diagnosis ... #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Pupillary Defect This maneuver ... regarding the cause ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
It is caused by ... infection which causes ... #Adies #Pupil #PhysicalExam ... ophthalmology #neurology ... #syndrome
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... diagnosis of Horner's syndrome ... experience, the cause ... ophthalmology #physicalexam ... #neurology #Anisocoria