Gastric acid output at rest and during maximal stimulation: Condition Basal Acid Output (mEq/h) Maximal Acid Output (mEq/h) Normal1 - 56 - 40 Gastric Ulcer0 - 31 - 20 Pernicious Anemia (Loss of Parietal Cells) 00 - 10 Duodenal Ulcer2 - 1015 - 60 Gastrin-Secreting Tumor (Zollinger-Ellison Syndrome) 10 - 3030 - 80 Representative Ranges Output = Hourly volume of gastric juice x [H + ]