vitamin deficiency Flashcards
(39 cards)
what is deficiency of vitamin A associated with
(retinol)
(2)
ocular defects (esp xerophthalmia - dry eye)
increased susceptibility to infections
how common is vitamin A deficiency in UK
rare
true or false - deficiency of vitamin B is common
false. deficiency of B vitamins, other than B12, is rare in the UK
when is IV nutrition given & what are the 2 methods
adequate nutrition not possible
given via 2 methods: supplemental parenteral nutrition (addition to ordinary feeding) or total parenteral nutrition (sole source of nutrition)
How is parenteral nutrition infused
through central venous catheter or peripheral vein
what is the preferred carb given in IV nutrition
glucose
name the fat soluble vitamins
ADEK
vitamin A deficiency can cause
ocular defects
increased risk of infections
vitamin A is found in the following foods
cheese
eggs
oily fish
milk
yoghurt
liver
liver products e.g. pate
vitamin D deficiency leads to
rickets
normal dose of vitamin D
400 units (10mcg)
vitamin D is found in the following foods
oily fish
red meat
liver
egg yolk
fortified food e.g. cereal
what is vitamin E also known as
tocopherol
what is tocopherol
vit E
vit E deficiency leads to
neuromuscular abnormalities
vit E is found in which foods
plant oil, nuts, seeds, wheatgerm
what foods is vit K found in
green leafy vegetables, vegetable oils, cereal grains
What is the vitam K water soluble derivative given orally in malabsorption states
menadiol
(this has possible risk of causing acute haemolysis in some pt with G6PD Deficiency (a (aspirin) curious (chloroquine) man (menadiol) quietly (quinine) sips (SU) nectar (naphthalene in moth balls)
name the water soluble vitamins
vit C (ascorbic acid)
vit B
what is B1 and what is it used for
thiamine - used in wernickes encephalopathy/ in deficiency e.g. alcohol dependent pt
what is B2 and what does it do
riboflavin
keeps skin, eyes and NS healthy
what is B6 and what is it useful for
pyridoxine
treat peipheral neurpahy associated with isoniazid
what is B12 and what is it used for a
hydroxycobalamin
used in treatment of B12 megaloblastic anameia
vitamin B is found in what foods
meat
cereal
veg