49 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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... Central Vertigo PERIPHERAL ... with vascular causes ... nose) • Head Position ... symptoms #comparison #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... with vascular causes ... auditory findings BPPV ... episodes caused ... differential #diagnosis #neurology
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
During Hallpike Test ... Vertigo (BPPV) ... toward the downward ear ... with repeated testing ... findings #signs #bppv
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... Vertigo #Central #Peripheral ... #Neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Benign Paroxysmal Positional ... Vertigo (BPPV) ... BENIGN PAROXYSMAL POSITIONAL ... consistent with BPPV ... Labyrinthitis #diagnosis #neurology
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo ... distinguishing between causes ... of peripheral vertigo ... Benign Paroxysmal Positional ... Vertigo (BPPV):
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... with a central cause ... #PhysicalExam #Neurology ... #HeadImpulse #Testing
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central from Peripheral ... following a finger) • Test ... physicalexam #Central #Peripheral ... Vertigo #diagnosis #neurology ... #bppv #comparison
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
= Peripheral Cause ... reassuring for a PERIPHERAL ... cause of vertigo ... Clinical #Video #Neurology ... #Vertigo #Peripheral