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10 Cards in this Set
- Front
- Back
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The esophagus elongates until which week of gestation?
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7th week
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What is the length of the esophagus at maturity?
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18-20cm
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Which third does esophageal stenosis most commonly occur?
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distal third
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What is the manometric finding of a child with achalasia?
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1) increased tone of LES
2) failure of LES to relax on swallow 3) absence of peristalsis in esophagus |
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What is the danger of disc batteries in the esophagus?
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Sodium or potassium hydroxide solutions can leak and cause liquefaction necrosis.
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Where do coins most typically lodge in the esophagus?
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thoracic inlet
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When is accidental ingestion most common in children?
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first 3 years
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Which corrosive causes liquefaction necrosis?
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Alkali, corrosion tends to diffuse into deeper layers.
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Which corrosive causes coagulation necrosis?
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Acids.
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When should esophagoscopy be performed to evaluate the extent of injury after caustic ingestion?
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24-72 hours.
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