Arrhythmias & electrophysiologyTrial design

Study protocol for The Heart Watch Study - Prognostic performance of smartwatch 12-lead electrocardiography (ECG) with advanced ECG analysis in consumer self-screening for cardiovascular disease

Am Heart JPublished

  • prospective, Australia-wide observational cohort study
  • study protocol

Study context

Population
Asymptomatic adults aged 20–79 years without prior known cardiovascular disease performing consumer self-screening in the general populationplanned recruitment
Participants
30,000 adults
Planned comparison
Advanced ECG (A-ECG) analysis applied to a smartwatch 12-lead ECG (SWECG) acquired using an Apple Watch in identifying cardiovascular risks

No results yet. This paper sets out the design of a trial; its results are to come.

Original publication

Study protocol for The Heart Watch Study - Prognostic performance of smartwatch 12-lead ECG with advanced ECG analysis in consumer self-screening for cardiovascular disease. Am Heart J. Published 29 September 2026. doi:10.1016/j.ahj.2026.107619

Summarised from the published abstract; every number is checked against it