perforated tip to help carry the tube through the stomach and intestine. The mercury is
placed in the bag with a syringe and needle before the tube is inserted nasally by the
f. Sengstaken-Blakemore Tube. Also referred to as a Blakemore tube, this
tube is a three lumen, esophageal-gastric balloon tube that is used in the treatment of
bleeding esophageal varices. One lumen is used to inflate the esophageal balloon, one
lumen is used to inflate the gastric balloon, and the third lumen is used for
decompression and irrigation of the stomach.
1-27. NASOGASTRIC INTUBATION
Gastric intubation is done to obtain a specimen of stomach contents, to lavage
the stomach, to gavage a patient, or to allow for drainage of stomach contents by
suction apparatus. Nasogastric intubation is preferred over orogastric intubation.
a. Assemble the following clean items on a tray and place the tray on the
patient's bedside stand.
Nasogastric (NG) tube of size and style specified by physician.
(2) Sponge basin containing ice p.r.n. (Use ice to chill a rubber tube, to
stiffen it and make insertion easier. Do not chill a plastic tube.)
Catheter tip style syringe, 30ml--50ml.
Water soluble lubricant.
Glass of water and straw.
Bath towel or chux pad.
(10) Clamp for tubing.
(11) Adhesive tape.
b. Explain the procedure to the patient. Provide privacy. Position the patient
sitting upright in bed or in a chair.