377 bytes added
, 14:54, 9 March 2011
* Tetany is variable intermittent muscle contraction.
===Causes===
* Stricnine poisoning.
* Hypocalcemia
** For example, due to:
*** Parturition
*** Hypothyroidism
* Glycine disorders, in:
** Humans
*** Knowns as startle disease or hyperexplexia.
*** Causes sudden contraction of primarily antigravity muscles
** Arabian horses
[[Category:Tremors and Movement Disorders]]