15 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... change • Neurologic ... No auditory symptoms ... Long symptom-free ... differential #diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
(Wallenberg's syndrome ... with significant neurologic ... Positional symptoms ... Syndrome usually ... attacks with varying neurologic
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Vertigo (BPPV) ... VERTIGO • Age ... • Frequency of symptoms ... symptoms • Head ... Labyrinthitis #diagnosis #neurology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
a patient with vertigo ... symptoms, this ... Clinical #Video #Positive ... #Neurology #Central ... #Vertigo
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... Benign Paroxysmal Positional ... Dysfunction - Imbalance, neurologic ... symptoms/signs, ... #Neurology #Differential
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Central Causes of Vertigo ... Benign paroxysmal positional ... vertigo, Méniére ... Wallenberg syndrome ... differential #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
labyrinthitis • Head Position ... nose) • Head Position ... worsen with head position ... findings #signs #symptoms ... #comparison #neurology
Migraine with Aura
Diagnostic Criteria (ICHD-3):
A) At least 2 attacks fulfilling criteria B and C:
B) One or
reversible aura symptoms ... visual aura, but symptoms ... • Brainstem: Vertigo ... is positive ... diagnosis #criteria #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Other brainstem syndromes ... complications (AQP4-positive ... erythematosus, Sjögren syndrome ... Manifestations #diagnosis #neurology ... #symptoms #signs
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
- Bickerstaff syndrome ... (bulbar symptoms ... Miller-Fisher GBS; Positive ... opsoclonus-myoclonus syndrome ... Diagnosis #Causes #Neurology