β‘οΈ Acids cause coagulative necrosis, which results in a self-limiting burn pattern
β‘οΈ Alkaline materials induce liquefactive necrosis with diffusion into deeper layers of the injured mucosa. Even low concentrations of alkaline ingestion can cause extensive injury.
3/
β‘οΈ Caustic Ingestion can provoke injury from the mouth, the airway, down through the esophagus to the small intestine.
β‘οΈ Long-term complications can lead to strictures and an increased risk of esophageal cancer.
4/
β³οΈ Symptoms and Signs
π Obvious burns to the lips, mouth, and oropharynx
π Laryngeal or epiglottic edema
π Esophageal perforation
π In children: consider in those who present with symptoms of anaphylaxis that do not improve with treatment.
5/
β‘οΈ Laryngeal or epiglottic edema may present with:
β‘οΈ Endoscopy is indicated within 24 to 48 hours for:
π any patient who is symptomatic (or asymptomatic with an alkali),
π children refusing to eat or drink
π patients with altered mental status
8/
β³οΈ What to avoid ?
π Avoid agents that induce vomiting, as this can lead to esophageal perforation.
π Avoid neutralizing the substance by using a weak acid or base.
π Avoid diluents.
π Avoid activated charcoal, because of poor adsorption and endoscopic interference.
9/
β³οΈ Treatment
π Evaluate the airway first
π Place the patient NPO
π Nasogastric tube suction may be beneficial with large-volume liquid acid ingestions
π Aggressive hydration and medications to decrease acid production are given to prevent reflux associated injury
β’ β’ β’
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