Parenteral Route of Drug Administration III Flashcards
What is nutrition?
ingestion of adequate amounts of nutrients and trace elements to provide proper functioning of the organs
What is malnutrition?
insufficient intake of protein, carbohydrates, fats, vitamins and trace, elements to sustain proper organs functioning
What is enteral nutrition?
providing nutrition via the GI tract a tube or catheter
What is parenteral nutrition?
providing nutrients intravenously through peripheral vein (PPN) or via a large central line (TPN)
What is the best predictor of nutritional status?
Recent changes in weight
What is a strong indicator of poor nutritional status?
involuntary weight loss of > 5% in previous 1 -6 months
When is it appropriate to use TPN?
- patient is on a ventilator (head or neck injury)
- difficulty swallowing
- patient has burn injuries
- patient suffers form pancretitis, esophageal cancer, gastroparesis
- complete intestinal obstruction
- Paralytic Ileus
- Severe vomiting and diarrhea
- Hemodynamic instability
- Severe upper GI bleed
What does Nil Per Os (NPO) mean?
no food or fluid by moth especially in preparation for surgery; “nothing by mouth”
Why are electrolytes and nutrients given intravenously?
to meet normal fluids and electrolyte requirements or replenish substantial deficits
What patient population are TPNs used for?
patients who are malnourished
In IV routes, everything is given as ingested proteins, because if not, the patient would die
True
TPN is at risk for what more than PPN?
greater catheter related infection
TPN is better for small doses at the central vein
False
TPN is preferred for ….?
fluid restricted patients
What is the max osmolaritiy for TPN?
there is not a max osmolarity
