22 results
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... PAROXYSMAL POSITIONAL VERTIGO ... reproduction of vertigo ... patient with a clinical ... patient with a clinical
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis ... hearing loss = Labyrinthitis ... 1) Vertigo (severe ... hearing loss Clinical ... • Positive head
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Peripheral Vertigo ... Can worsen with head ... Vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... Positive head impulse
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis/labyrinthitis ... • Head Position ... hearing loss (labyrinthitis ... toward nose) • Head ... can worsen with head
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central Vertigo ... PERIPHERAL VERTIGO ... Vestibular neuritis/ labyrinthitis ... Head trauma - Symptoms ... shortly after head
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Exam - Abnormal Head ... a patient with vertigo ... PERIPHERAL cause of vertigo ... #PhysicalExam #Clinical ... Video #Neurology #Vertigo
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HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Exam - Normal Head ... patient as a normal head ... a patient with vertigo ... CENTRAL cause of vertigo ... #PhysicalExam #Clinical
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HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Exam - Abnormal Head ... a patient with vertigo ... PERIPHERAL cause of vertigo ... #PhysicalExam #Clinical ... Video #Neurology #Vertigo
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Petrous Apex Anatomy - Neuroradiology
Petrous Apex (PA) Lesions in a nutshell

Dr. Surjith Vattoth @drSurjthVattoth

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