15 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 #Differential
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... #Peripheral #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... may be present Central ... auditory findings BPPV ... Positive Hallpike ... differential #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... cause of AVS. ... #PhysicalExam #Neurology ... #Testing #HIT #
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... and Central Vertigo ... PERIPHERAL VERTIGO ... with vascular causes ... symptoms #comparison #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
after Dix Hallpike ... Maneuver This is a case ... anti-clockwise nystagmus beating ... to left ear. ... ophthalmology #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... from Peripheral ... following a finger) • Test ... #diagnosis #neurology ... #bppv #comparison
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver ... for BPPV Procedure ... 45° towards the test ... throughout the test ... Instructions #Diagnosis #neurology
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
Dix-HaIlpike Maneuver ... The test is positive ... toward the affected ear ... #Maneuver #neurology ... #vertigo #bppv
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... positional vertigo (BPPV ... #Peripheral #Central ... differential #diagnosis #neurology