Parathyroid Glands And Calcium Flashcards
1
Q
What is the serum concentration for calcium?
A
2.,2-2.6mM
2
Q
Name some symptoms of hypocalcemia
A
Tingling in mouth and fingers Muscle tetany - carpopedal spasm - Laryngeal Chvostek‘ s sign Convulsions Tiredness
3
Q
Name some symptoms of hypercalemia.
A
Depression Tiredness Kidney failure Abdominal pain Kidney stones Bone aches and muscle aches Constipation
4
Q
What does decreased serum ca2+ do to regulate PTH release?
A
increased gene transcription
Increased mRNA survival
Decreased cleavage of PTH
5
Q
What are the effects of PTH?
A
Kidney - increased reabosprtion of Ca2+ and more activation of Vit D
Gut - increased paracellular and transcellular uptake
Bone - increased osteoclast and decreased osteoblast activity
6
Q
What types of muscle tetany can be seen in hypocalcemia?
A
Laryngeal
Chvosteks sign
Carpopedal spasm
Trousseu’s sign