16 results
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... #differential #diagnosis ... #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
• Progressive muscular ... Neuropathy • Spinal Muscular ... Lambert-Eaton Myasthenic Syndrome ... Polymyositis • Duchenne Muscular ... #Weakness #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... stopping walking (vascular ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... injury, often from vascular ... Mixed upper and lower ... #diagnosis #pathophysiology ... #orthopedics #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Lesions Of The Peripheral ... myositis • Genetic: Muscular ... myopathies, the muscular ... #neurology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
both upper and lower ... consistent with a diagnosis ... #clinical #video ... #ophthalmology ... #physicalexam #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Vascular disorders ... (Wallenberg's syndrome ... Syndrome usually ... #differential #diagnosis
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... Neurogenic Ptosis - Neurologic ... Oculopharyngeal muscular ... #Ptosis #neurology ... #ophthalmology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... Differential Diagnosis ... lumbar stenosis • Vascular ... #differential #diagnosis ... #causes #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... factor PRES Diagnosis ... cortical lesions • Vascular ... BP lowering - Lower ... #neurology