Why to choose an OpenBCI 3 lead ECG device for accurate heart rate measurement?

– Cardiologists like Dr. Milind Desay from Cleveland Clinic in Ohio choose 3 lead ECG devices for sports sensor validations. It is an expensive device with many components they used for their papers. But several reference devices for sports sensor validations tests had 3 leads: – 3 lead ECG is gold standard for heart rate …