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hypocalcemia tetany

c_hou at humc.edu c_hou at humc.edu
Mon May 19 23:13:51 EST 1997

According to Guyton's Medical Physiology, hypoccemia increases sodiumum
permeability which then decreases the neuron's excitation threshold or increase
the excitablity of neuron units.

Craig Hou

In article <337E6011.2239 at saluki-mail.fiber2.siu.edu>, scott boston <wboston at saluki-mail.fiber2.siu.edu> writes:
> Hello, I am a first year med student looking for some help understanding
> tetany induced by hypocalcemia.  I am not sure if this is the right
> newsgroup or not, but I am having a hard time finding a mechanism and
> understanding how low Ca in the blood can cause tetany.  A couple of
> fellow students have suggested that Ca inhibits the Na channels, and
> thus low Ca allows increased neural firing, but they did not have any
> good idea how this would work.
> Thanks for any help, you can reply by e-mail or to the group.

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