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Gastroesophageal Reflux Disease

Reflux occurs when the muscle at the lower esophagus fails to close properly or relaxes at the wrong time.

GastroenterologyIntermediate

Based on MedlinePlus en español — Gastroesophageal Reflux Disease. Original educational summary, read by a medical doctor and confirmed reliable, pending formal approval. Not medical advice.

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Learning outcomes

  • Explain lower esophageal closure and backflow.
  • Explain heartburn and warning symptoms.
  • Explain endoscopy, ph testing, and manometry.
  • Explain meal timing and treatment.
  1. 1

    Lower esophageal closure and backflow & Heartburn and warning symptoms

    5 min · includes quiz

  2. 2

    Endoscopy, pH testing, and manometry & Meal timing and treatment

    5 min · includes quiz