21 results
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo ... Algorithm #Diagnosis #Neurology ... Dizziness #Peripheral #Central ... #Algorithm #BPPV
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... from Peripheral Vertigo ... following a finger) • Test ... #diagnosis #neurology ... #bppv #comparison
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... vs Peripheral Vertigo ... Head Impulse Test ... Nystagmus Test ... #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... may be present Central ... auditory findings BPPV ... Positive Hallpike test ... or supine roll test
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... worrisome for a CENTRAL ... Vertical #Skew #Test ... Clinical #Video #Neurology ... #Vertigo #Central
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... (BPPV); worsens ... labyrinthitis) CENTRAL ... #Peripheral #Central ... symptoms #comparison #neurology
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Normal Head Impulse Test ... = Central Cause ... cause of vertigo ... Clinical #Video #Neurology ... #Vertigo #Central
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... (BPPV) From Vestibular ... consistent with BPPV ... #BPPV #Vestibular ... Labyrinthitis #diagnosis #neurology
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
During Hallpike Test ... (BPPV) • Latency ... toward the downward ear ... findings #signs #bppv ... #vertigo
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... (BPPV) - Short-lived ... CENTRAL VERTIGO ... with significant neurologic ... #Peripheral #Central