FUNCTIONS OF THE DIGESTIVE SYSTEM
Ingestion, Propulsion, Food Breakdown, (mechanical, chemical) Absorption, Defacation
Activities in the Mouth, Pharynx, and Esophagus
Food Ingestion and Breakdown
Food Propulsion – Swallowing and Peristalsis
Passageways.
Pharynx and Esophagus
*Neural and hormonal factors.
Gastric Juice
- activates pepsinogen to pepsin
*Active protein-digesting enzyme
*hydrochloric acid
Rennin
*Protein-digesting enzyme
*Milk protein
TYPES OF G.I
TUBES
NASOGASTRIC
TUBES, NASODUODENAL
TUBES, NASOJEJUNAL
TUBES
- is a thin, soft tube inserted through the nose, down the throat, and into the stomach
nasogastric (NG) tube
Slow feeding titration
Guided insertion - preferred
NASODUODENAL
TUBES
Dual purpose tube
For short term gastric decompression and jejunal feeding/medicating
NASOJEJUNAL
TUBES
NASOGASTRIC TUBE TYPES
Single lumen. Double lumen, Triple Lumen
COMMON BRANDS
SURGITECH, SIMPLEX, LEVIN, MOSS, SALEM SUMP,
INDICATIONS GASTOINTESTINAL
INSERTION
DRAINING DECOMPRESS
MEDICATION DYSPHAGIA
NUTRITION HEAD NECK TRAUMA
DIAGNOSTIC I.B.D.
CONTRAINDICATIONS
SINUSITIS, FACE TRAUMA, DEVIATED SEPTUM, ESOPHAGEAL SURGERY, ALKALINE INGESTION
,
POSSIBLE RISKS
INFECTION, DIARRHEA, TRAUMA, ASPIRATION, DISCOMFORT, CRAMPING, SWELLING, INFECTION, EPISTAXIS,
INDICATIONS:
TO ESTABLISH A METHOD FOR DRAINING THE STOMACH OR INTESTINES
INTERVENE IN PRE-EXISTING OR IMPENDING NUTRITIONAL DEPLETION
FOR DIAGNOSTIC PROCEDURES/PURPOSES
DECOMPRESS THE STOMACH BEFORE AND AFTER SURGERY
TO MAINTAIN FLUIDS AND ELECTROLYTES
