19 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... of AVS and negative ... cause of AVS. ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... cause of vertigo ... Video by Dr. ... #Neurology #Vertigo ... #Central
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
= Central Cause ... cause of vertigo ... Video by Dr. ... PhysicalExam #Clinical #Video ... #Neurology #Vertigo
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... may be present Central ... with vascular causes ... positional episodes caused ... (posterior canal
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vertigo due to Posterior ... Stroke (usually Posterior ... Clinical Findings: • Nausea ... Palatal myoclonus - Central ... #Wallenbergs #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... the lesion Posterior ... dysfunction Central ... involved & the posterior ... differential #diagnosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Seizures • Altered mental ... may precede the neurologic ... the underlying cause ... with AEDs until cause ... diagnosis #management #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... Occlusion of posterior ... (Wallenberg's syndrome ... Syndrome usually
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... perineum, and posterior ... • Provocative Tests ... absent anal wink test ... #neurology