The challenge
Conventional 12-lead ECG focuses on rhythm and gross morphology. Early-stage cardiac dysfunction sits in the signal but stays invisible to the human eye.
Diastolic dysfunction undetectable on standard ECGCirculation, 2022
Low ejection fraction often missed until symptomaticEuropean Heart Journal, 2023
Echocardiography required for definitive diagnosis ($500–$2,000 per study)AHA cost reference, 2024











