See more with
every ECG

HeartSightECG intelligence platform
FDABreakthrough Device designation

9+1AI is an evidence-first ECG intelligence company developing software to reveal clinically meaningful disease risk beyond conventional ECG interpretation.

CirculationThe LancetJournal of the American College of CardiologyEuropean Heart JournalNature
The hidden signal

Make hidden cardiovascular risk visible—using ECG data already being collected.

Man checking cardiovascular readings on his smartwatch in a bright home
80.6%

At risk or pre-heart failure

The opportunity to identify risk begins well before symptomatic disease.

JACC, 2023 · MESA, CHS & Framingham · n=11,618
300M+

ECGs every year

A vast diagnostic infrastructure already embedded in routine care.

European Heart Journal – Digital Health, 2026
$18K

Per HF hospitalization

Late-stage disease carries a significant acute-care burden.

U.S. hospitalization analysis · costs in 2021 USD
78%

Of eligible hospitals penalized

Heart failure is one of six conditions measured under HRRP.

CMS Hospital Readmissions Reduction Program · FY 2026

How HeartSight works

Turn the signal into clinical intelligence.

Explore HeartSight
9+1AI's novel medical AI solutions allow us to transform these signals into actionable, noninvasive and accessible insights which will greatly enhance clinical care.
John Jefferies, MD avatar
John Jefferies, MD, FACC, FAHA, FHFSA
Former President, American Heart Association Mid-South Chapter

Designed toScale Confidently

A clinician reviewing a wearable ECG reading

Infrastructure for every clinical environment.

HeartSight

Reimbursement Pathway

01

A defined pathway to reimbursement. AMA-established Category III CPT codes for AI-enabled ECG analysis create a national coding framework that can support reimbursement for qualifying AI-assisted cardiac evaluations.

Built to Integrate

02

Cloud or on-premises. Built to fit your infrastructure. Supports RESTful APIs, FHIR, and HL7 for integration with existing EHR, ECG, and clinical IT systems.

Secure by Design

03

Built for protected health data. PHI-secure, HIPAA-compliant infrastructure designed for use in clinical environments.

Partner with us

Bring deeper ECG intelligence to your health system or device company.