Changes

After the creation of [[Einthoven's Triangle|Einthoven's triangle]], Willem Einthoven thought he would try his luck with other shapes, resulting in '''Einthoven's quadrilateral'''. This was a huge fail. "Abysmal" is a common word used by cardiologists to describe '''Einthoven's quadrilateral." It is even worse than [[Einthoven's Pentagon|Einthoven's pentagon]].