9 results
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
= Central Cause ... This patient as ... cause of vertigo ... Video by Dr. ... #Neurology #Vertigo
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 ... #Posterior #CVA
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Causes of Vertigo ... often classified as ... a "central vertigo ... #Causes #differential ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
may be present Central ... with vascular causes ... positional episodes caused ... (posterior canal ... #Algorithm #differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
and Central Vertigo ... CENTRAL VERTIGO ... Occlusion of posterior ... #Vertigo #Causes ... #differential #
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... edema visualized as ... Reversible course Differential ... the underlying cause ... with AEDs until cause
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 ... #differential # ... diagnosis #causes ... #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Arboviruses: - West ... in 70%-85% • Negative ... Monocytogenes or gram negative ... /l is regarded as ... #diagnosis #neurology
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
components: targeted neurologic ... disposition, even if the cause ... CNS, Central nervous ... acute vestibular syndrome ... #Posterior #CVA