23 results
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... Jay Lin @JayLin3455 ... #HINTS #Exam #PhysicalExam ... #Neurology
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

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

This patient as a normal head impulse
= Central Cause ... cause of vertigo ... #HINTS #PhysicalExam ... Clinical #Video #Neurology ... #Vertigo #Central
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Peripheral Causes ... Hunt syndrome ( ... #diagnosis #neurology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential Diagnosis ... Osmotic diuresis • Central ... insipidus • Nephrogenic ... #Causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Diabetes insipidus (central ... or nephrogenic) ... , Cushing syndrome ... Workup #Algorithm #nephrology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... with vascular causes ... positional episodes caused ... #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... following a finger) • Test ... TylerLarsenMD #HINTS #physicalexam ... #Vertigo #diagnosis ... #neurology #bppv
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
- Cushing's syndrome ... - DI, Central Dl ... Gestational DI, Nephrogenic ... Classification #Features #Diagnosis ... Comparison #Table #Nephrology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Acute continuous vertigo ... Clinical Findings: • Nausea ... /vomiting/vertigo ... Palatal myoclonus - Central ... #diagnosis