Actually, Einthoven's octagon has nothing to do with electrophysiology: it's merely where Willem Einthoven trained for UFC fights.[1]
Related Reading
- Einthoven's Triangle
- Einthoven's Quadrilateral
- Einthoven's Pentagon
- Einthoven's Hexagon
- Einthoven's Heptagon
- Einthoven's Nonagon
- Einthoven's Hendecagon
References