57 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... cause of AVS. ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior
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
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Normal Head Impulse Test ... = Central Cause ... normal head impulse test ... cause of vertigo ... Clinical #Video #Neurology
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... worrisome for a CENTRAL ... cause of vertigo ... Clinical #Video #Neurology ... #Vertigo #Central
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... (CVID, WAS), (neurologic ... #Workup #hematology
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
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Framework If Altered Mental ... SAH, tumor • Posterior ... no neurological cause ... differential #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... forehead) in classic posterior ... with vascular causes ... , such as with posterior ... symptoms #comparison #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 ... CENTRAL VERTIGO ... insufficiency (VBI) - Should ... Occlusion of posterior
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
Diagnosis and workup ... ... laboratory tests ... Alzheimer - 1st cause ... Dementia - 2nd cause ... Loss of bladder control