48 results
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... disoriented - Non-vertigo ... Organic Disease ... Problem • Drugs Psychiatric ... Lightheadedness #Neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... , Méniére disease ... Vestibulocochlear Nerve (CN ... differential #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... and vomiting, auditory ... • Meniere's Disease ... Dysfunction - Imbalance, neurologic ... #Neurology #Differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... with vascular causes ... positional episodes caused ... test Méniére's disease ... differential #diagnosis #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Vertigo: • Peripheral ... Central: Stroke, CNS ... Cardiac: Valvular Disease ... radiculopathy Other: • Psychiatric ... Differential #Diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... Méniére's disease ... Disease onset usually ... #diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lymphoproliferative disease ... • Metastatic disease ... demyelinating diseases ... differential #diagnosis #causes ... #radiology #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in size (micro and ... • CNS: parietal ... (Many causes!) ... • Epilepsy • Psychiatric ... Syndrome #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... Iniury • One-and-a-half ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
nervous system (CNS ... less common diseases ... treatment can prevent ... Inflammatory causes ... BEE #Syndromes #neurology