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Why would we do stomach tubing?
- administration of liquid medications
- administration of contrast material for upper GI series radiology
- tube feeding, especially of neonatal animals
- diagnosis and treatment of GDV
- treatment of oral poisoning
- treatment of gastritis
What is GDV?
gastric dilatation and volvulus
wash through tube
feed through tube
What equipment do we need for stomach tubing?
What kind of tubes do we use for stomach tubing?
- commercial orogastric tubes
- standard plastic tubing available in rolls at hardware stores
What kind of commercial orogastric tubes are available?
- polyvinyl chloride
How do we make stomach tubes from the tubing we get at hardware stores?
- cut to desired length
- flame ends to smooth
What is an oral speculum?
tool to keep an animal from biting the tube
What can we use as an oral speculum?
roll of partially used 2-inch tape
How do we measure the size of stomach tube for neonates and adults?
- neonates: from tip of nose to last rib
- adults: from tip of nose to level of eighth or ninth rib
Do we need to lubricate the stomach tube before putting it in?
yes, lube or lidocaine
When do we advance the stomach tube?
when the dog swallows, advance the tube to the correct level
What does the outer end of the stomach tube need to be attached to?
a funnel, bulb, or syringe to administer the desired fluid
What do you do after you administer the fluids into the stomach tube?
hold you finger over the end of the tube so redisual fluid does not flow into pharynx and trachea
Can the animal swallow while the stomach tube is in?
What do you need to do when removing the stomach tube?
put your finger over the hole of the tube
Should you wash out the stomach tube immediately after using it?
What could it mean if the stomach tube does not go all the way in?
it may be stuck at the bifurcation of trachea at base of heart
How do you know the stomach tube is in correctly?
- if tube is in esophagus, you should feel it pass to left of trachea in caudal ventral neck area
- if tube is in trachea, you will not feel it pass
If the animal is able to growl or vocalize with the tube is in place, does this mean it is in the esophagus or trachea?
After the stomach tube is in place, why would we smell the end of the tube?
to see if we can smell stomach contents to make sure it is in the stomach
After the stomach tube is in place, what will happen if we trickle 1 cc of sterile water down the tube?
if the patient coughs, the tube is in the trachea
When we are doing a gastric lavage, how should we hold the stomach tube when we are allowing liquid to flow in?
hold outer end of the tube higher than stomach
How do we get the fluid out of the stomahc during a gastric lavage?
allow water to flow out by gravity by holding the outer end of the tube lower than the stomach
What do we use for a gastric lavage in puppies and kittens?
How old do puppies and kittens need to be before we can do a gastic lavage?
14 days old
Do we need to use an oral speculum for puppies and kittens? Why?
- they have no teeth for biting the tube in half
How do we do a nasogastric intubation?
- lubricate with lidocaine gel
- instill a few drops of local anesthetic into the nostril before insertion of tube
- elevate the head
- direct tube into nostril
Where should the tip of the tube be for nasogastric intubation?
level of the caudal esophagus
How do we check the placement of the nasogastric tube?
inject 1 ml sterile saline down the tube, if the patient coughs, it is in the trachea
What are ways we can keep the nasogastric tubes in place?
glue or stitch tube in place
Can we flush the tube with sterile saline after administration of fluids or food?