49 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
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
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Test = Central Cause ... for a CENTRAL cause ... Video by Dr. ... PhysicalExam #Clinical #Video ... #Neurology #Vertigo
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... , Méniére disease ... often classified as ... 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
Confabulation
What? Honest Lie.  
No incoming sensory information + Filling of the blanks with different information
Diseases: Korsakoff ... Injury, Alzheimer's Disease ... Cortical Blindness, Psychiatric ... differential #diagnosis #causes ... #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Central Vertigo ... PERIPHERAL VERTIGO ... tinnitus (Méniére's disease ... with vascular causes ... symptoms #comparison #neurology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Histiocytosis and ... uropathy, Metabolic causes ... Treatment is aimed ... at the psychiatric ... Classification #Types #Nephrology
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Tremor of Wilson's Disease ... near arm tremor caused ... arms, with elbows and ... #clinical #video ... #neurology #copper