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Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Dizziness - Central ... Differential Diagnosis Central ... Meniere’s • Labyrinthitis ... #Dizziness #Central
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... neuritis (a.k.a. labyrinthitis ... classified as a "central ... Vestibular paroxysmia Central ... Vertigo #Peripheral #Central
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis ... hearing loss = Labyrinthitis ... head thrust #Labyrinthitis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis ... ) CENTRAL VERTIGO ... #Peripheral #Central
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
• Tumors • Labyrinthitis ... nausea #vomiting #emesis
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Vestibular Neuritis-Labyrinthitis ... VESTIBULAR NEURITIS/LABYRINTHITIS ... hearing loss in labyrinthitis ... vestibular neuritis or labyrinthitis ... Vestibular #Neuritis #Labyrinthitis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
may be present Central ... Vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis
Causes of regurgitation/vomiting in children

#Vomiting #Emesis #Differential #Peds #Pediatrics #Diagnosis #Causes
#Vomiting #Emesis
Dizziness - Differential Diagnosis Framework
Vertigo:
 • Peripheral: Labyrinthitis, BPPV, Meniere's disease, Alternobaric
 • Central: CVA/TIA -
• Peripheral: Labyrinthitis ... Alternobaric • Central
Heart Failure with Preserved Ejection Fraction: Management Principles

General Therapeutic Principles:
Reduce the congestive state 
 - Caution
Management Principles General ... preload excessively Control ... blood pressure - Central ... blood pressure control