11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... nerve in the radial ... Saturday night palsy ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
PalsyCN IV ... palsyCN VI ... One-and-a-half Syndrome ... ophthalmology #neurology #differential ... #diagnosis #ocular
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Causes: • Large ... nerves which can ... #CaudaEquina #Syndrome ... #MSK #pathophysiology ... #diagnosis #symptoms
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Diagnosis Algorithm ... Decreased LOC, Axial ... Other Congenital Syndromes ... Peripheral Weakness - Nerves
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 ... Diagnosis: • ... decompression #CaudaEquina ... #differential # ... diagnosis #causes
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
status changes with focal ... pupil with third nerve ... palsy - Tentorial ... #differential # ... diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Demyelinating disease caused ... hearing loss, palsy ... of the abducens nerve ... #Infections #differential
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... (CN 8) ... cause unknown) ... II ○ Susac’s syndrome
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
spinal cord and nerve ... Reconstitution Inflammatory Syndrome ... neurological symptoms • Caused ... #Tuberculosis #diagnosis ... #differential #
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
lacrimal glands: • Focal ... Diagnosis: • Dry ... Hypocomplementemia • Can cause ... myelopathy, cranial nerve ... phenomenon (16%) MSK