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Physiological AdaptationWeak LES → acid reflux

GERDNCLEX cheat sheet

Gastroesophageal reflux disease (GERD) is the backflow of stomach acid into the esophagus due to a weak or relaxed lower esophageal sphincter.

19 key facts 2 practice questions Reviewed Oct 2026
The 1-minute sheetCinnaRN

Mech

  • weak LES → acid backflow
  • worse lying flat, after meals

Signs

  • heartburn, regurgitation, dyspepsia
  • dysphagia, chronic cough, hoarse

Report

  • Barrett's esophagus → cancer risk
  • rule out cardiac chest pain

Teach

  • HOB up, no meals 2-3h before bed
  • small meals, sit up after eating
  • avoid caffeine, fatty, spicy, ETOH
  • PPIs, H2 blockers, antacids
Key takeaway

Pyrosis (heartburn) is the hallmark, often worse after meals and when lying down or bending over.

Before you read

Test yourself first: 2 questions

Question 1 of 2

A client with gastroesophageal reflux disease (GERD) is taught lifestyle measures including:

What is gerd?

Chronic acid exposure irritates the esophageal lining, causing heartburn and, over time, esophageal damage. Risk factors include obesity, hiatal hernia, smoking, and certain foods. Untreated GERD can lead to Barrett esophagus, a precancerous change.

GERD illustrated

GERD: stomach acid refluxing up into the esophagus
GERD: stomach acid refluxing up into the esophagus. Illustration: BruceBlaus via Wikimedia Commons, CC BY-SA 4.0.

Key points to remember

  • Pyrosis (heartburn) is the hallmark, often worse after meals and when lying down or bending over.
  • Regurgitation, a sour or bitter taste, and a sensation of food sticking (dysphagia) may occur.
  • A weakened lower esophageal sphincter allows acidic gastric contents to reflux into the esophagus.
  • Chronic cough, hoarseness, and nighttime symptoms can result from acid irritation.
  • Barrett esophagus, a precancerous mucosal change, can develop from long-term reflux.
  • Reflux pain can mimic cardiac chest pain and must be differentiated from angina.

Signs & symptoms

  • heartburn, regurgitation, dyspepsia
  • dysphagia, chronic cough, hoarse

Nursing priorities

  1. Teach the patient to remain upright for 2-3 hours after eating and to elevate the head of the bed.
  2. Administer proton pump inhibitors or H2 blockers as prescribed to suppress acid.
  3. Encourage small, frequent meals and avoidance of trigger foods.
  4. Promote weight loss and smoking cessation to reduce reflux.
  5. Educate on avoiding late-night eating and lying down soon after meals.

Patient teaching

  • Avoid caffeine, chocolate, peppermint, fatty/fried foods, citrus, tomatoes, and alcohol that relax the sphincter or increase acid.
  • Stay upright after meals, elevate the head of the bed, and avoid eating within 3 hours of bedtime.
  • Lose weight if overweight, stop smoking, and avoid tight clothing around the abdomen.

Red flags: report now

  • Chest pain must be evaluated to rule out cardiac causes before assuming reflux.
  • Progressive dysphagia, weight loss, or vomiting blood warrants prompt evaluation for complications.
  • Persistent symptoms despite therapy require provider follow-up for possible Barrett esophagus.

References

Clinical references for this topic

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