triaxial reference system

tri·ax·i·al ref·er·ence sys·tem

the figure resulting from rearranging the lines of derivation of the three standard limb leads of the electrocardiogram (as represented in the Einthoven triangle) so that, instead of forming the sides of an equilateral triangle, they bisect one another.
Synonym(s): Dieuaide diagram
Farlex Partner Medical Dictionary © Farlex 2012