nasogastric tube
DESCRIPTION
nsgTRANSCRIPT
Nasogastric tube
NG Tube Indications
•Aspirate stomach contents• Diagnostic or therapeutic
•Assessment of GI bleeding•Determine gastric acid content
NG Tube Indications
• Treat paralytic ileus • Treat intestinal obstruction• Recurrent vomiting likely• Trauma• Overdose
NG Tube Contraindications
• Esophageal strictures• Alkali ingestion, caustic ingestions, esophageal burns
NG Tube Contraindications
• Trauma patients with:• Cervical or intracranial bleeding• Increased intracranial pressure
• Recent surgery of the following types:• Oropharyngeal• Nasal• Gastric
Confirm NG Tube Placement
• X-ray• Most reliable if tube is radiopaque• Requires order from physician
• Injecting air• 60 cc catheter syringe• Place stethoscope over LUQ of abdomen• Inject air into lumen of tube• Listen for “swoosh” sound
Confirm NG Tube Placement
•Test pH of gastric aspirate•pH < 4 = 95% chance that tip is in stomach•pH > 6 = may be in lung or pleural space
Complications
Excessive coughing, motion, gagging may aggravate the following:
•Neck injuries• Increased risk for C-spine injuries
•Penetrating neck wounds• May increase hemorrhage
• Tube misplacement• Pulmonary• Intracranial
Nasogastric Tube Position
Evaluation
• Note location of external site marking on the tube• Documentation • Size of tube, which nostril and client’s response.• Record length of tube from the nostril to end of tube• Record aspirate pH and characteristics
X-ray of misplaced NG tube