Flashcards in Parathyroid Deck (15):
What does parathyroid regulate?
What effect does calcium have on the body?
Where are the parathyroid glands located?
-Posterior surface of the thyroid
Is parathyroid hormone protein bound?
No- travels freely in the plasma
How is parathyroid hormone controlled?
-By calcium concentration in the extracellular fluid compartment
When calcium is low, PTH...
When calcium is high, PTH...
is not secreted
What usually causes hyperparathyroidism?
-Tumor (benign or malignant)
What is the result of hyperparathyroidism?
What can hypercalcemia do?
- Produce muscular and neurological effects
-Increase kidney stones
Describe labs for hyperparathyroidism
-Elevated PTH and calcium
What causes hypoparathyroidism?
-Inadvertent removal of the parathyroid glands during neck surgery
What is the result of decreased hypoparathyroidism
-Decreased PTH secretion
What can hyperparathyroidism cause?
-Weak bones by osteoporosis
-Increased fracture risk
-Nephrolithiasis (kidney stones)
-Constipation, gallstones, peptic ulcers
-Depression, lethargy, seizures
-Weakness and fatigue