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# As ionised calcium - normal levels are 1.13-1.33 mmol/l. This is the biologically active form.
# As ionised calcium - normal levels are 1.13-1.33 mmol/l. This is the biologically active form.
areful sample handling and prompt measurement are essential for reliable results which can also be affected by acid-base disturbances
areful sample handling and prompt measurement are essential for reliable results which can also be affected by acid-base disturbances
==Serum Calcium Abnormalities==
#Raising Blood Calcium level occurs by:
#*Increased PTH concentration
#*Increased Active Vitamin D3
#Lowering Blood Calcium level occurs by:
#*Decreased PTH
#*Reduced Vitamin D activation
#*Calcitonin inhibits calcium mobilisation from bone
==Calcium Homeostasis==
==Calcium Homeostasis==
*Slow Phase - puts calcium into bone by reducing formation of new osteoclasts.
*Slow Phase - puts calcium into bone by reducing formation of new osteoclasts.
There are also slight (insignificant) effects on the kidney and [[Alimentary System Overview - Anatomy & Physiology|GIT]].
There are also slight (insignificant) effects on the kidney and [[Alimentary System Overview - Anatomy & Physiology|GIT]].
==Test yourself with the Calcium Homeostasis Flashcards==
==Test yourself with the Calcium Homeostasis Flashcards==
[[Calcium_Homeostasis_Flash_Cards_-_Anatomy_%26_Physiology|Calcium Homeostasis Flashcards]]
[[Calcium_Homeostasis_Flash_Cards_-_Anatomy_%26_Physiology|Calcium Homeostasis Flashcards]]
[[Category:Electrolytes]]
[[Category:Electrolytes]]
[[Category:Endocrine System - Anatomy & Physiology]]
[[Category:Endocrine System - Anatomy & Physiology]]