24 results
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 ... change • Neurologic ... episodes caused
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Benign paroxysmal positional ... Vestibulocochlear Nerve (CN ... #diagnosis #neurology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
worrisome for a CENTRAL ... cause of vertigo ... Clinical #Video #Positive ... #Neurology #Central
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Benign Paroxysmal Positional ... Bone Fracture Central ... Dysfunction - Imbalance, neurologic ... Dizziness #Vertigo #Neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... with a peripheral cause ... patients with a central ... cause of AVS. ... #PhysicalExam #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... labyrinthitis) CENTRAL ... with vascular causes ... #Peripheral #Central ... symptoms #comparison #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
headache, altered mental ... status, and focal neurologic ... Demyelinating disease caused ... and <25% culture positive ... InfectiousDiseases #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 ... #Peripheral #Central ... #Vertigo #Causes
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... hypertension - CNS ... immunocompromise, CNS ... head in dependent position ... thrombophilia, neurologic
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Clinical Findings: • Nausea ... Vestibular nucleus (CN ... Palatal myoclonus - Central ... Nucleus ambiguus (CN ... #Wallenbergs #neurology