Calcium Flashcards
1
Q
Calcium normal range
A
2.2-2.6mmol/L
2
Q
Calcium distribution in body
A
45% ionised
50% albumin bound
5% glucose/citrate/bicarbonate bound
3
Q
Hormones that control calcium metabolism
A
- PTH
- Calcitriol
4
Q
PTH actions
A
- Increased 1 alpha hydroxylation of vitamin D
- Osteoclast activation
- Increased renal calcium reabsorption
- Increased phosphate excretion
5
Q
Calcitriol actions
A
- Increased calcium and phosphate reabsorption in the gut
- Bone remodelling
6
Q
Draw out physiological response to reduced plasma calcium
A
7
Q
A
8
Q
Causes of primary hyperparathyroidism
A
9
Q
Secondary hyperparathyroidism causes
A
10
Q
Tertiary hyperparathyroidism
A
11
Q
Most common cause of hypoparathyroidism
A
12
Q
Causes of hypoparathyroidism
A
13
Q
What is Albright hereditary osteodystrophy
A
