> Epinephrine is produced from norepinephrine, which in turn is
> produced from dopamine. If the dopamine supply is abnormal, do you
> think this could in turn change the autonomic nervous signalling to
> the sino-atrial node of the heart?
Ivan,
I believe that the production of epinephine you refer to occurs in
the adrenal glands, which also produce dopamine. The abnormal
dopamine supply (PD) is in the subtatia nigra.
