1616 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... position change • Neurologic ... Vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... differential #diagnosis #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... PAROXYSMAL POSITIONAL VERTIGO ... reproduction of vertigo ... (2 to 11%) #Vertigo ... #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
of Dizziness - Vertigo ... Algorithm True Vertigo ... • Labrynthitis ... Dysfunction - Imbalance, neurologic ... #Neurology #Differential
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Central Causes of Vertigo ... paroxysmal positional vertigo ... neuritis (a.k.a. labyrinthitis ... as a "central vertigo ... differential #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central Vertigo ... PERIPHERAL VERTIGO ... vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... symptoms #comparison #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
PERIPHERAL VERTIGO ... Vestibular neuritis/ labyrinthitis ... with significant neurologic ... attacks with varying neurologic ... differential #diagnosis #neurology
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis ... hearing loss = Labyrinthitis ... 1) Vertigo (severe ... head thrust #Labyrinthitis
Causes of Dizziness - Vertigo and Lightheadedness - Differential Diagnosis Algorithm
 • True Vertigo - Illusion
of Dizziness - Vertigo ... Algorithm • True Vertigo ... disoriented - Non-vertigo ... Lightheadedness #Vertigo ... #Dizzy #Neurology
Dizziness - Differential Diagnosis Framework
Vertigo:
 • Peripheral: Labyrinthitis, BPPV, Meniere's disease, Alternobaric
 • Central: CVA/TIA -
Diagnosis Framework Vertigo ... • Peripheral: Labyrinthitis ... Diagnosis #dizzy #vertigo
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
a patient with vertigo ... CENTRAL cause of vertigo ... Video #Positive #Neurology ... #Central #Vertigo