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Nutrition

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khfsu1's version from 2015-04-20 01:41

Recognize the parameters involved in assessing a patient’s nutritional status.

ClassificationABW vs IBWBMI
Severe malnutrition<70%<16
Moderate malnutrition<80%<17
Mild malnutrition<90%<19
Normal<120%<25
Overweight<150%<30
Obese<200%<40
Morbidly obese>200%>40
memorize

 

Question Answer
When is adjusted body weight used?ABW > 130% IBW
When is IBW used?ABW < IBW
memorize

Establish caloric, protein, and fluid goals for different populations of acutely ill patients.

Fluid

Question Answer
Approximation30-35 mL/kg/day
Holliday-Segar method1500 mL for first 20 kg, then 20 mL/kg each kg after
memorize

 

Question Answer
Healthy, normal nutrition status
Population estimate
20-25 kcal/kg/day
Illness, metabolic stress (BMI < 30kg/m^2)
Population estimate
25-30 kcal/kg/day
Illness, metabolic stress (BMI > 30kg/m^2)
Population estimate
11-14 kcal/kg/day (ABW)
-or-
22-25 kcal/kg/day (IBW)
Severe stress, major burn injury
Population estimate
>30 kcal/kg/day
memorize

Identify indications for parenteral and enteral nutrition support.

List the components of total parenteral nutrition (TPN) admixtures.

Macronutrients

Question Answer
Amino acids4 kcal/g
Dextrose3.4 kcal/g
Fat9 kcal/g
Enteral Nutrition Formula1.2 kcals/mL
memorize

Requirements

Question Answer
Protein1-2 g/kg/day
Lipids30% of non-protein calories
Carbs70% of non-protein calories
memorize

Recognize the criteria for determining the most appropriate route and method of administration of enteral nutrition.

Describe the complications of TPN and enteral nutrition and the appropriate interventions.