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Medsurg GI Flashcards
Medsurg GI flashcards
38
Medical
Undergraduate 4
10/05/2008

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Term
Describe malnutrition
Definition
An excess, deficit, or imbalance in essential components of a balanced diet.
Term
What is under nutrition?
Definition
A state of poor nourishment resulting from inadequate diet or diseases interfering with normal appetite and assimilation of ingested foods.
Term
Describe over nutrition
Definition
Ingestion of more food than the body needs
Term
What is the most common form of under-nutrition?
Definition
Protein-Calorie malnutrition
Term
When nutritional needs are not met because of poor eating habits, what is this called?
Definition
Primary protein-calorie malnutrition
Term
If malnutrition is caused by a problem with ingestion, digestion, absorption or metabolism, what is this called and what implications does it have?
Definition
This is secondary Protein-calorie malnutrition, and tissue needs will not be met.
Term
If the nutritional needs are not being met even though the nutritional intake would be adequate under normal conditions, what is this called?
Definition
Secondary protein-calorie malnutrition
Term
GI obstruction, surgical procedures, cancer, malabsorption syndromes, drugs, or infectious diseases can result in what?
Definition
Secondary protein-calorie malnutrition
Term
Ingestion of foods deficient in protein, vitamins and minerals can result in what?
Definition
Protein-calorie malnutrition
Term
What are some major risk factors for malnutrition?
Definition
Chronic alcoholism, decreased mobility, loss of nutrients due to disease or treatment, drugs with antinutrient or catabolic properties, hyper-metabolism or extreme stress, ie fever, no oral intake.
Term
What do promethazine, zofran, compazine and reglan have in common?
Definition
They may mask symptoms that may delay diagnosis and treatment of the problem.
Term
What does BRATY stand for and why is it used?
Definition
Bread, rice, applesauce, toast and yogurt. This diet is used because these foods can be digested with minimal stress to the GI system.
Term
How should high calorie products and supplements such as Ensure and Sustacal be used?
Definition
They should be used for individuals with low nutritional intake as snacks, and not meal replacements.
Term
In terms of length of tube feedings, how are NG tubes used?
Definition
For short-term tube feedings.
Term
In terms of length of feedings, how are gastrostomy tubes used?
Definition
For long-term feedings.
Term
Why would you use a jejunostomy tube?
Definition
For long term tube feeding of a patient with chronic reflux to reduce the risk of aspitayion.
Term
What is TPN?
Definition
Total parenteral nutrition. It involves the administration of nutrients by a route other than the GI tract.
Term
When would you use TPN?
Definition
When the GI tract cannot be used for the ingestion, digestion and absorption of other nutrients.
Term
What is the goal of TPN?
Definition
To meet the patients nutritional needs and allow growth of new body tissue.
Term
How should TPN be administered?
Definition
Must be administered through IV, through a filter and a pump, with the tubing and filter being changed every 24 hours.
Term
How is TPN started and how often are accuchecks done?
Definition
TPN is started gradually over 24-48 hours, and accu checks are usually done every 4-6 hours.
Term
What are the advantages of PEG tube placement relative to NG feeding for a patient receiving long term enteral nutrition?
Definition
1) It increases patient comfort
2) It eliminates the risk of aspiration
3) Feedings can be initiated before bowel sounds are present.
4) More calories can be delivered compared with NG feedings.
Term
What are the purposes of GI intubation?
Definition
1) Decompress the stomach
2) Lavage the stomach
3) Diagnose GI disorders
4) Administer medications and feeding
5) Treat an obstruction
5) Compress a bleeding site
6) Aspirate gastric contents for analysis
Term
What type of feeding tube is a dobhoff or enteraflo tube?
Definition
A nasoenteric feeding tube.
Term
What are the 4 methods of enteral feeding?
Definition
1) intermittent bolus feedings
2) Intermittent gravity drip
3) Continuous infusion
4) Cyclic feeding
Term
What must be assessed when caring for a patient receiving an enteral feeding?
Definition
-Nutritional status and assessment
-Hydration and fluid needs
-Digestive tract function
-Renal function and electrolyte status
-Medications that affect nutrition intake and function of the GI tract
-Compare the dietary prescription to the patient's needs.
Term
What goals might be included in caring for a patient receiving an enteral feeding?
Definition
-Nutritional balance
-Normal bowel elimination pattern
-Reduced risk of aspiration
-Adequate hydration
-Individual coping
-Knowledge of and skill in self-care
-Prevention of complications
Term
In addition to measuring residual prior to intermittent feedings, when must this be done during continuous feedings?
Definition
Every 4-8 hours during continuous feedings.
Term
When must H2O be administered for a patient recieving enteral feedings?
Definition
Before and after each medication and each feeding, before and after checking residual, every 4 to 6 hours, and whenever the tube feeding is discontinued or interrupted.
Term
Is it okay to mix medications with feedings?
Definition
no
Term
What size syringe must be used for enteral feedings?
Definition
30 ML or larger
Term
What amount of feeding should the nurse be careful not to exceed in an open system in order to prevent bacterial contamination?
Definition
4 hours of feedings.
Term
What amount of feeding should the nurse be careful not to exceed in an open system in order to prevent bacterial contamination?
Definition
4 hours of feedings.
Term
What is the main thing that should be done to prevent dumping syndrome?
Definition
Administer tube feedings slowly.
Term
Sensations of fullness, nausea, and diarrhea, caused by dehydration, hypotension, and tachycardia are collectively called what?
Definition
Dumping syndrome.
Term
What are the 4 types of gastrostomy tubes discussed?
Definition
Stamm, Janeway, PEG, and Low-Profile gastrostomy device
Term
What are some diagnoses associated with the use of a gastrostomy?
Definition
-Imbalanced nutrition
-Risk for infection
-Risk for impaired skin integrity
-Ineffective coping
-Disturbed body image
-Risk for ineffective therapeutic regimen management
Term
What are some collaborative problems and potential complications of a gastrostomy?
Definition
-Wound infection
-GI bleeding
-Premature removal of tube
-Aspiration
-Constipation
-Diarrhea
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