Clinically, there are many methods for examining gastric acid secretion, and tubeless acid analysis is one of them. Be careful to stop using drugs that affect gastric acid secretion 24 to 48 hours before taking gastric juice.

Basic Information

Specialist classification: Digestive examination classification: body fluid examination

Applicable gender: whether men and women apply fasting: fasting

Analysis results:

Below normal:

Normal value:
no

Above normal:

negative:
negative(

Positive:
Positive (>0.6 mg) normal or high free acid secretion.

Tips: Stop using drugs that affect gastric acid secretion 24 to 48 hours before taking gastric juice. Normal value

2h was discharged >0.6mg.

Clinical significance

Positive (>0.6 mg) normal or high free acid secretion.

Suspicious (0.3 ~ 0.6mg) a small amount of free acid.

Negative (<0.3 mg) free of free acid.

Precautions

The drug affecting gastric acid secretion was stopped 24 to 48 hours before the gastric juice was withdrawn.

Inspection process

The gastric juice is withdrawn and then tested. details as follows:

1. Before the collection of gastric juice, fasting, banned drugs, and smoking ban for more than 12 hours. In the morning, the doctor will disinfect the (cooked) stomach tube into the stomach through the nose or mouth, and reach it at a depth of 50-55 cm. Large curved mucus pool.

2, then use a 50 ml syringe to the stomach tube to aspirate the gastric juice (or continue to attract with a negative pressure pump), pump into the container after pumping, and then continue to pump.

3. During the collection process, the patient can change position (up, side, prone and sitting position) and try to suck the liquid in the stomach.

4. Record the amount of gastric juice extracted after extubation, and label it on the container for inspection.

Not suitable for the crowd

Patients with gastric perforation.

Adverse reactions and risks

Mucosal injury: Avoid excessive exertion when removing gastric juice from the gastric tube to avoid damage to the nasal cavity and esophageal mucosa.