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Gastritis

NCLEX Review Guide: Gastritis

Pathophysiology & Types

Definition & Classification

  • Gastritis is inflammation of the gastric mucosa that can be acute or chronic, causing erosion of the protective mucosal barrier.
  • Acute gastritis develops suddenly due to irritants like NSAIDs, alcohol, or stress, while chronic gastritis develops gradually, often from H. pylori infection.

Acute vs Chronic Gastritis

Acute GastritisChronic Gastritis
Sudden onsetGradual development
NSAIDs, alcohol, stressH. pylori, autoimmune
Reversible damageProgressive mucosal atrophy

Key Points

  • H. pylori is the most common cause of chronic gastritis worldwide
  • Stress-related gastritis often occurs in critically ill patients

Assessment & Clinical Manifestations

Signs & Symptoms

  • Epigastric pain that may worsen with eating, accompanied by nausea, vomiting, and early satiety are classic presentations.
  • Hematemesis or melena indicates bleeding and requires immediate intervention and monitoring for hypovolemic shock.

Clinical Scenario

A 45-year-old patient presents with burning epigastric pain, nausea, and reports taking ibuprofen daily for arthritis. Priority nursing assessment includes vital signs, pain scale, and checking for signs of GI bleeding.

Memory Aid: GASTRIC

  • Gnawing epigastric pain
  • Anorexia and nausea
  • Stomach bleeding (hematemesis)
  • Tender abdomen
  • Regurgitation
  • Indigestion
  • Cramping discomfort

Nursing Interventions & Management

Pharmacological Management

  • Proton pump inhibitors (PPIs) like omeprazole are first-line treatment to reduce gastric acid production and promote healing.
  • H. pylori eradication therapy involves triple therapy with two antibiotics (amoxicillin, clarithromycin) plus a PPI for 10-14 days.
  1. Assess pain level and characteristics before medication administration
  2. Administer PPIs 30-60 minutes before meals for optimal effectiveness
  3. Monitor for medication side effects and drug interactions
  4. Educate patient on importance of completing full antibiotic course

Key Points

  • PPIs should be taken before meals, not with food
  • Antacids provide quick symptom relief but don't heal the mucosa

Dietary & Lifestyle Modifications

Nutritional Management

  • Recommend small, frequent meals to reduce gastric distention and minimize acid production while promoting healing.
  • Advise avoiding gastric irritants including alcohol, caffeine, spicy foods, NSAIDs, and smoking to prevent further mucosal damage.

Foods to AVOID: SPICE

  • Spicy foods
  • Pickled/acidic foods
  • Irritation from alcohol/caffeine
  • Citrus fruits
  • Excessive fat

Commonly Confused Concepts

Gastritis vs GERD vs Peptic Ulcer

ConditionLocationPain PatternKey Feature
GastritisStomach liningBurning epigastric painMucosal inflammation
GERDEsophagusHeartburn, worse lying downAcid reflux
Peptic UlcerStomach/duodenumGnawing pain, may improve with foodMucosal crater

Quick Check

Patient reports epigastric pain that worsens after eating and has been taking aspirin daily. Most likely diagnosis and priority intervention?

Answer: Acute gastritis; discontinue aspirin and start PPI therapy

Common Pitfalls

  • Don't confuse gastritis pain (worsens with eating) with duodenal ulcer pain (improves with eating)
  • Remember H. pylori testing requires stopping PPIs 2 weeks prior for accurate results

Study Tips & Memory Aids

NCLEX Success Strategy

  • Focus on priority nursing actions: assess for bleeding, pain management, medication education
  • Remember the ABCs: Always assess for signs of bleeding first in gastritis patients
  • Know that sudden severe pain may indicate perforation - notify provider immediately

Self-Assessment Checklist

  • ☐ Can differentiate between acute and chronic gastritis
  • ☐ Know H. pylori eradication therapy components
  • ☐ Understand PPI administration timing
  • ☐ Can identify gastric irritants to avoid
  • ☐ Recognize signs of GI bleeding

Remember: You've got this! Focus on patient safety, medication knowledge, and therapeutic communication. Every practice question brings you closer to your nursing license! 🌟

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