4-2-1 Endocrine Flashcards
How do u screen for hyperprolactinemia
3 specimens/ 20-30min interval/ average
Responsible for the initiation and maintenance of lactation
Prolactin
A female has a prolactin leven of 25.5ug?
Hyper!
Prolactin ia highest at people when?
Post puberty females
HyperProlac situations 4
Pregnancy
Breastfeeding
Prolactinoma
Hypothy
By 3rd trimester what level of PRL
500ng
PRL >200; acromegaly
Pituitary adenoma
PRL inhibits what hormone?
GnRH
Inhibits GH release
Somatostatins
Negatively feeds back on pituitary to inhibit gh releas
Igf1
Scretory peak of GH
20-40ng
Dx of gh deficiency
Gh measurement upon pharma stimulation
Meant by: failure of GH suppression after oral glucose load
Gh xs
2 causes of GH deficiency
Idiopathic
Pituitary adenoma
Gold std for Dx of GHD
Insulin tolerance test
Pediatric px GH is measured in ITT as 9ng? Normal or deficient?
Deficient
Normal >10ng
Adult >5ng