nutrition Flashcards
what are the three phases of swallow
oral phase, pharyngeal phase, esophagel phase
how does one swallow
constrictor muscles contract, forces food into esophegus, then the esophageal sphincter contracts after entry.
what is dysphagia
difficulty with swallowing, can occur due to neurological problems or any system associated with swallow.
what is refeeding sydryome
Refeeding syndrome is a syndrome consisting of metabolic disturbances that occur as a result of reinstitution of nutrition to patients who are starved, severely malnourished or metabolically stressed due to severe illness.
giving Carbohydrate will cause a drop in extracellular potassium, phosphate and other electrolytes.
Can progress to acute circulatory fluid overload, respiratory compromise, and cardiac failure.
what is a peg feed
Percatuneous endoscopical gastrostomy tube in stomach through abdominal wall.
what is a jejunostomy
the surgical creation of a stoma through the skin at the front of the abdomen and the wall of the jejunum (part of small intestine).
what is a nasojejunal tube
a tube via the nose guided into small intestine. Patients would have this if they could not tolerate food in stomach.
how long do polyurethane/silicone tubes last
4-6 weeks
how long do PVC tubes last
7-10 days
what is the average size of a ng tube
6-8fg
when can a nurse not insert an NG tube?
if a patient has maxillo facial disorder/surgery
if a patient had laryngectomy
if a patient had oesophageal disorders/surgery
if a patient had coagulation abnormality.
after a gastrostomy, how long does the tract take to heal?
2-3 weeks
for cleaning purposes what must you do to a peg tube weekly
push in 1cm and rotate 360 degrees.
what is buried bumper sydryome
when the internal bumper of the PEG tube erodes into the gastric wall and lodges itself between the gastric wall and skin.
