The round and sharp-angled t wave is remarkable differ from the ECG of the Hypokalemic. So it is the characteristic t wave's change of the congenital heart disease.

Future applications will include chips that monitor patients at home for signs of a heart attack or hypoglycaemia and can release the appropriate life-saving drugs.

A total of 358 patients with severe aortic stenosis, a heart disease characterized by obstruction of the aortic valve due to calcification, participated in the trial.