nutrition Flashcards
what tools for screening nutrition status?
MUST and STAMP
what is concerning MUST score
2
what can interfere with accurate weight measurement (3)
dry, ascites, oedema
how do you estimate muscle
mid upper arm circumference (MUAC)
how measure height if pt is bedbound
knee height
main cause of hypoalbuminaemia
infection/sepsis /NOT NUTRITION
hypoalbuminaemia is a prognostic indicator of
mortality risk
refeeding syndrome mechanism
rise in insulin and minerals causes intracellular uptake of everything at the expense of the blood. ->hypophosphateaemia
hypokalaemia, hypomagnesaemia
short bowel syndrome when
remaining bowel is <100cm
high stoma output meds
codeine/loperamide
anti PPI
what is PN with gastro patients
parenteral nutrition
name of somethin that stimulates appeites
orexigen
name of somethin that suppresses appetite
anorexigen
what type of receptor senses the presence of food which is bein broken down
GPCRs
vagus nerve in stomach is stimulated by (2)
chemo and mechano (stretch) receptors
vagus goes to (in brain)
nucleus of solitary tract
anorexogenic hormones are stored in
enteroendocrine cells
shape of enteroendocrine cells
pyramidal
ghrelin secreted by … cells in the …
P cells fundus
ghrelin is released in proportion to
calorific intake
ghrelin acts …
on the vagus nerve and also on limbic centre of hypothalamus
where is ckk produced and which cells
I cells duodenum
what does cck do (2)
release bile and pancreatic enzyme -> slow gastric emptying, satiety
pyy released from… mostly in the…
L cells colon
