38 results
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
• Tumors • Labyrinthitis ... nausea #vomiting #emesis
Pediatric Vomiting - Gastrointestinal and Systemic Causes - Differential Diagnosis Algorithm
Hepatobiliary:
 • Acute Hepatitis
 • Acute
Méniére's Disease • Labrynthitis ... Psychogenic #Emesis
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis ... hearing loss = Labyrinthitis ... head thrust #Labyrinthitis
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
Causes of regurgitation/vomiting in children

#Vomiting #Emesis #Differential #Peds #Pediatrics #Diagnosis #Causes
#Vomiting #Emesis
SIGNS OF CHOLINERGIC CRISIS: DUMBELLS
-Diarrhea
-Urination
-Miosis
-Bradycardia
-Bronchospasm
-Emesis
-Lacrimation
-Lethargy
-Salivation

#Diagnosis #Toxicology #Muscarinic #Cholinergic #Toxidrome #Poisoning #DUMBELLS #DUMBBELLS #Mnemonic
-Bronchospasm -Emesis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis
Coffee Ground Emesis: Appearance of vomitus that occurs with acute upper intestinal bleeding.
Photo Credit: John Rossettie,
Coffee Ground Emesis ... #CoffeeGround #Emesis
How can we break down the differential diagnosis of bilious emesis in infants by age?

Image Source:
diagnosis of bilious emesis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis/labyrinthitis ... hearing loss (labyrinthitis