Health Electronic Assessment of Risks and Trends Using Biometric Equipment and Technology

Inclusion Criteria:

* Patients with at least one cardiovascular disease (heart failure, cardiac arrhythmias, chronic kidney disease, coronary artery disease, history of stroke/Transient Ischemic Attack (TIA), or diabetes mellitus).
* Patients visiting a primary care provider for any reason without any of the previously mentioned cardiovascular diseases. (Healthy cohort, limited up to 500 patients throughout the study).

Exclusion Criteria:

* Participants who cannot read, speak, and/or understand English.
* Participants with cognitive impairments who are unable to give informed consent or sign their HIPAA form.
* Participants with cognitive impairments affecting their ability to be compliant with wearing and maintaining wearable devices.
* Participants who are pregnant.
* Participants with tattoos, scars, or skin adhesions that would not allow for Photoplethysmography (PPG) recordings to be collected from a wrist-worn device.
* Participants with neurological disorders that may interfere with device signal quality (e.g., hand tremors).
* Participants with a pacemaker.
* Participants with allergies to watch and/or wristband materials.
* Participants with known plans to permanently leave the state of Louisiana within the observational period.
* Participants who have no known medical history with any of the enrolling institutions.
* Patients without a compatible smartphone (iOS 13 \& Android 11 at minimum).