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Help: ECG from a fish !

Tim Tillman tillman at ithink.net
Mon Feb 1 12:10:31 EST 1999


The leads should implanted subdermal with the insulation extending into the
skin.  Insulating marine cement could be used to seal the wound.

lefoll <lefoll at fst.univ-lehavre.fr> wrote in message
news:794mqo$ips$1 at news.crihan.fr...
>I would appreciate anyone having any idea of how to proceed to record an
ECG
>with a fish.
>From a first experiment on an anaesthetized animal (Turbot or Xanphthalmus
>maximus), I only obtained a very clean base line, with neither noise nor
>periodic signal !
>I think that sea water causes a shunt of the surface potential field,
>preventing measurement of any signal.
>but I've already heard about some results (but where?) describing the ECG
of
>fishes.
>
>Has anyone already performed such a recording ?
>Is there a particular method to overcome the limitations of water
electrical
>conductance ?
>
>
>





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