GI 3

Question 0

GASTRIC ANALYSIS

Answer 0

In conjunction with GASTRIC ACID STIMULATION TEST.
-secretory activity of the gastric mucosa
Presence of gastric retention
Diagnosis of Zollinger Ellison syndrome

Question 1

Gastrin

Answer 1

Produced by G cells in the Antrum if the stomach
*primary function is STIMULATION OF GASTRIC SECRETION
-growth producing effect on the mucosa of small intestine and colon
REMOVAL OF TISSUE THAT PRODUCES GASTRIN RESULTS IN ATROPHY OF THOSE STRUCTURES

Question 2

Gastric Analysis/Gastric Acid Test

Continued

Answer 2

Evaluate the capacity of the parietal cells in the stomach to secrete acid and the presence or degree of gastric retention in pts thought to have pyloric or duodenal obstruction

Question 3

Gastric Analysis /Acid test continued

Answer 3

Performed by awaits ting fluid through a NGT that is inserted down the esophagus to the stomach

Question 4

Gastric Analysis Procedure

Answer 4

NPO for 12 hours
Hold meds that affect gastric secretion for 24hrs prior to test
NO SMOKING morning of test
Insert small NG Tube approx 22 inches (tube should be lying along the greater curvature)
Place client in semi reclining position

Question 5

G/A Cont

Answer 5

• Entire stomach contents are aspirated by gentle auction into syringe
• Gastric Samples are collected Q15 minutes for the next hour
• histamine or pants GASTRIN is administered to Stimulate gastric secretions .
• May produce flushed feeling
• Monitor for Hypotension
• post injection collect specimens every 15 minutes an hour volume and ph of the specimen are measured

Question 6

Gastric Analysis

Answer 6

Sometimes Cytologic study by pap technique is done to determine the presence or absence of malignant cells

Question 7

Results from Gastric analysis

Answer 7

Ability of mucosa to secret HCL

• altered in
• pernicious anemia (no acid under basal conditions or stimulation)
• Severe atropic Gastritis or Gastric Cancer (secret little or no acid)
• peptic Ulcer (secret some acid)
• Duodenal Ulcers (usu secrete excess amount of Acid)

Question 8

Nursing Responsibility in Gastric Analysis

Answer 8

Educate 
NPO
Medications 
No smoking 
NGT
What to expect During Procedure

Question 9

Gastritis

Answer 9

Inflammation of the gastric (stomach mucosa)
Acute: several hours -few days
Chronic- (1)results from repeated exposure to irritating agents
2) Recurring episodes of acute Gastritis

Question 10

Risk Factors for Gastritis

Answer 10

• H. Pylori
• AIDS
• any condition that requires relief from chronic pain using NSAIDS, such as chronic low back pain, fibromyalgia, arthritis
• alcoholism
• cigarette smoking
• Older Age

Question 11

Acute

Answer 11

Disruption of cell barrier by a local irritant
Hydrochloric acid and pepsin contact gastric tissue leading to irritation inflammation and superficial erosions
Resolution and healing with several days

Question 12

Chronic Gastritis

Answer 12

Characterized by the abscence of visible erosions and the presence of chronic inflammatory changed leading eventually to atrophy of the glandular epithelium of stomach