Trial Search Results

Apple Heart Study: Assessment of Wristwatch-Based Photoplethysmography to Identify Cardiac Arrhythmias

The Apple Heart Study (AHS) is a research study conducted to evaluate whether the Apple Heart Study App can use data collected on the Apple Watch to identify irregular heart rhythms, including those from potentially serious heart conditions such as atrial fibrillation. Up to 500,000 can participate in the study.

Stanford is currently not accepting patients for this trial.

Lead Sponsor:

Apple Inc.

Collaborator: Stanford University

Stanford Investigator(s):


  • Device: Apple Heart Study App




Inclusion Criteria:

Possession of the following at time of eligibility screening, ascertained from automatic
hardware/software/device pairing check:

   - iPhone (5s or later) with iOS version 11.0 or later defined as iPhone model/iOS
   version used to complete screening eligibility.

   - Apple Watch (Series 1 or later) with watchOS version 4.0 or later defined as Apple
   Watch model/watchOS paired with iPhone used to complete screening eligibility.

   - Current resident of the United States at time of eligibility screening, defined by
   self-reported state of residence within the 50 states of the United States or District
   of Columbia.

   - Proficient in written and spoken English, defined by self-report of comfort reading,
   writing, and speaking English on iPhone.

   - Valid phone number associated with iPhone, ascertained from self-report.

   - Valid email address, ascertained from self-report.

Exclusion Criteria:

   - Self-reported diagnosis of Atrial Fibrillation.

   - Self-reported diagnosis of Atrial Flutter.

   - Currently on anti-coagulation therapy.

Ages Eligible for Study

22 Years - N/A

Genders Eligible for Study


Not currently accepting new patients for this trial

Contact Information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305
Not Recruiting