We will now have regular medical history pages

We will now have regular medical history pages since I discovered this website. This ones about ECG and a long suffering dog,Jimmy.
https://www.pastmedicalhistory.co.uk/willem-einthoven-and-the-electrocardiogram/

Willem Einthoven and the Electrocardiogram

The work of Einthoven and the many pioneers of science that went before him have left a remarkable legacy to medicine. The ECG remains one of the most useful investigations available to us in medicine and each and every hospital produces literally hundreds of recordings now on a daily basis.