Abstract
The present paper presents a method of constructing Burger triangles directly from living toad hearts in situ. Depolarization and repolarization Burger triangles from same toads were almost identical. It was shown, that the Burger triangle is more accurate than the Einthoven triangle. The two expedients of Brody, which simplify the use of the Burger triangle, are illustrated. Burger triangular shapes from toads approximate those of Wilson, constructed from human subjects with a current dipole on thorax.