8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Diagnosis Algorithm ... Sub-Cortical (Corona radiata ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Diagnosis Algorithm ... Restless Legs Syndrome ... Medical/Psychiatric ... Disorders • Neurologic ... Parkinson's, MS)
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Hepatitis • Hematoma ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
sequestration • epidural hematoma ... constipation Differential ... MRI- Sagittal, axial ... #differential # ... diagnosis #causes #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... formation) and MLF (medial ... diagnosed with MS ... #PhysicalExam # ... ophthalmology #neurology
Ear Pain / Otalgia - Differential Diagnosis Algorithm
Referred Otaliga:
 • Via Vagus or Glossopharyngeal Nerves
 •
Diagnosis Algorithm ... Zoster (Ramsay Hunt Syndrome ... if Facial Nerve ... Frostbite, Auricular Hematoma ... • Acute Otitis Media
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... include a: • Neurologic ... disruption ○ Otitis media ... II ○ Susac’s syndrome ... Noise trauma ○ MS