Why does hypocalcaemia cause tetany?

I have never understood why hypocalcaemia causes tetany. Could someone help me with this please?

Authored By Greg Thompson on Wednesday 21st November 2012

Responses

Miss Luna Ibrahim
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Medical Student - Warwick
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Posted about 7 years ago

Calcium plays a key role in nerve and muscle function, enzyme function, and
mineral balance in bone.

Calcium affects nerve and muscle excitability, neurotransmitter
release from axon terminals, and excitation–
contraction coupling i

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Alejandro Bugarini
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Posted over 5 years ago

There are several postulated mechanisms for this. Not having an elucidated mechanism for tetany leads to confusion and speculation. As a matter of fact, although Miss Ibrahim's answer was well structured, it lacks the exact mechanism of divalent ca

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Daniel Rongo
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Posted over 4 years ago

That was beautiful. I wish more explanations were explained the way you did. Plus, no bashing of previous comments but rather complimentary to the previous comment. wow.

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