Flashcards in Case Discussion: Vitamins and Micronutrients Deck (10):
One of the main causes of B12 deficiency in infants is _____________.
undiagnosed pernicious anemia in the mother
___________ deficiency can cause difficulty feeding in infants (such as frequent vomiting).
What is the prognosis of B12 deficiency in infants?
Unfortunately, the neurologic effects are often permanent and lead to developmental delays.
Generally, what is a good way to differentiate micronutrient deficiencies and inborn errors of metabolism?
Inborn errors of metabolism are present at birth and will have a constant presentation, while most micronutrient deficiencies will present in previously healthy kids.
Flaring of the wrists is a sign of __________.
Retinol binding protein can be low due to vitamin A deficiency or __________.
inflammation (because it is a negative acute phase reactant)
Trousseau sign's results from ____________.
What is Trousseau's sign?
Flexion of the wrist with occlusion of the brachial artery.
Why might you not give iron to someone with an infection?
Two reasons: (1) inflammatory states induce expression of hepcidin, which decreases iron absorption; and (2) bacteria need iron and can grow with excess iron supplementation