Undernutrition

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  • Created by: Becca
  • Created on: 22-12-13 22:17
Define generalised, specific, primary & secondary undernutrition.
Generalised: deficiency of calories. Specific: deficiency of essential nutrients. Primary: related to the diet. Secondary: related to an illness or condition e.g. Coeliac disease
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What is malnutrition?
Imbalance between the nutrients the body requires & the nutrients it receives i.e. insufficient or excessive amounts to cause ill health or abnormal growth
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What are the causes of undernutrition?
Reduced delivery of nutrients to GI system (famine/poverty, inability to swallow). Increased demand for nutrients (pregnancy, growth spurt, athletes, cachexia, burns). Inability for GI system to absorb nutrients (pancreatic cancer, bowel resection)
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What is the body's response to starvation?
CHO stores depleted over 24hr, glucongeogenesis from glycerol/skeletal muscle proteins over 3/4 days. Fatty acids used as energy source 3 wks. Ketone bodies supply brain. Finally tissue structural protein breakdown
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What is PEM & what are the two types?
PEM = protein energy malnutrition (primary dundernutrition). Dry PEM: no oedema, generalised, severe calorie & protein deficiency. Wet PEM: oedema, speciic, protein deficiency
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How to dietetics use diet to prevent/treat disease?
Therapeutic diet: ordered by a doctor as part of treatment. Nutritional support: if patient is unable to consumer food in its original form
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How do dietitians assess nutritional status?
Anthropometry (BMI, growth charts), body composition (skin folds, body water), haematology (albumin, electrolytes, vitamins, lipids, full blood count), function (muscle strength, wound healing), dietary assessment (diary, 24 hour recall)
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What questions are asked in a malnutrition universal screening tool (MUST)?
Have you unintentionally lost weight recently? Have you been eating less than usual? What is your normal weight? How tall are you?
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What is re-feeding syndrome?
Metabolic disturbances that occur as a result of reinstitution of nutrition to patients who are starved or severely malnourished
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Card 2

Front

What is malnutrition?

Back

Imbalance between the nutrients the body requires & the nutrients it receives i.e. insufficient or excessive amounts to cause ill health or abnormal growth

Card 3

Front

What are the causes of undernutrition?

Back

Preview of the front of card 3

Card 4

Front

What is the body's response to starvation?

Back

Preview of the front of card 4

Card 5

Front

What is PEM & what are the two types?

Back

Preview of the front of card 5
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