16 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... : • Attacks: Gradual ... with vascular causes ... Long symptom-free
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Central Vertigo PERIPHERAL ... (Wallenberg's syndrome ... Syndrome usually ... #differential #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... symptoms suggest ... a mass as the cause ... #Algorithm #Causes ... #Ophthalmology
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... at the time of diagnosis ... extrapulmonary (peripheral ... iridocyclitis) and facial ... #Sarcoidosis #Diagnosis
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
referred in for facial ... consistent with a diagnosis ... experience, the cause ... clinical #video #ophthalmology ... #physicalexam #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
VERTIGO • Onset: Gradual ... with vascular causes ... Central #Vertigo #diagnosis ... findings #signs #symptoms ... #comparison #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... Other brainstem syndromes ... disturbances, facial ... Manifestations #diagnosis ... #neurology #symptoms
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
- Differential Diagnosis ... of breath • Neurologic ... deficits (peripheral ... : • Facial edema ... #differential #diagnosis