23 results
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Peripheral Vertigo • Head ... Impulse: Head thrust ... look straight ahead ... Vertigo #diagnosis #neurology ... #bppv #comparison
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
than a minute for BPPV ... posterior canal BPPV ... horizontal canal BPPV ... Induces vertigo (BPPV ... symptoms #comparison #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... to administer head ... consistent with BPPV ... ) #Vertigo #BPPV ... Labyrinthitis #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... Can worsen with head ... position change • Neurologic ... auditory findings BPPV ... differential #diagnosis #neurology
CT vs T1 MRI
CT Head:
 - Bones are white
 - Fat is Dark & Scalp fat
CT vs T1 MRI CT Head ... MRI #comparison #neurology ... #radiology #brain
Epley Maneuver for Treatment of BPPV
1) The patient begins in an upright sitting posture, and the
for Treatment of BPPV ... posture, and the head ... The patient's head ... Epley #Maneuver #BPPV ... positional #vertigo #neurology
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... the patient’s head ... the patient’s head ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
positional vertigo (BPPV ... with significant neurologic ... shortly after head ... attacks with varying neurologic ... differential #diagnosis #neurology
Petrous ICA Anatomy on Head CT
Use a 'lady's shoe" to easily walk through skull base holes
ICA Anatomy on Head ... carotid #Anatomy #CTHead ... #clinical #radiology ... #neurology #neuroradiology
Petrous Apex Anatomy - Neuroradiology
Petrous Apex (PA) Lesions in a nutshell

Dr. Surjith Vattoth @drSurjthVattoth

#Petrous #Apex #Anatomy
Apex #Anatomy #CTHead ... MRI #clinical #radiology ... #neurology #neuroradiology