Nutrition And Vitamin Deficiencies Flashcards
What does parenteral nutrition contain?
Amino acids Glucose Electrolytes Trace elements Vitamins
What is SPN?
Supplementary parenteral nutrition given in addition to oral/enteral feeds
What is TPN?
Total parenteral nutrition is the sole source of nutrition
Glucose via central vein to avoid thrombosis
Enough phosphate to allow phosphorylation of glucose
Fructose and sorbitol to avoid hyperosmolar hyperglycaemic nonketotic acidosis
Do not add additives to fat emulsions unless compatibility known
What are the fat soluble vitamins?
ADEK
What are the water soluble vitamins?
B and C
What is retinol?
Vitamin A
What vitamin should be avoided in pregnancy due to teratogenicity?
Vitamin A (retinol)
What are the symptoms of retinol deficiency?
Ocular effects - dry eyes, risk of infection
What are the benefits of vitamin A?
Night vision
Immune system
Healthy skin
Where do you get vitamin A from?
Liver pates
Fish liver oil
Raw eggs
What vitamin is ascribed acid?
Vitamin C
What are the symptoms of vitamin C deficiency?
Scurvy
Gingival bleeding
Petechiae
What does vitamin C help to be absorbed?
Iron
What are the benefits of ascorbic acid?
Protects cells
Wound healing
Collagen formation
What are the sources of vitamin c?
Oranges
Peppers
Tomatoes
Blackcurrants
What vitamin is calciferol?
Vitamin D
What are the symptoms of vitamin D deficiency?
Rickets
Osteomalacia
What is vitamin D2?
Ergocalciferol
What is vitamin D3?
Cholecalciferol
When should you give alfacalcidol or calcitriol?
In severe renal impairment
What needs to be checked if nausea and vomiting occurs when taking vitamin D?
Plasma calcium concentration
What are the benefits of vitamin D?
Dietary absorption of calcium
Healthy bones and teeth
What is vitamin E?
Tocopherol
What does tocopherol do?
Inhibits platelet aggregation, increased risk of bleeding with warfarin