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Cardiac Risk Index

Do you know your 10-year heart risk?

Most heart attacks strike people who felt fine the day before. This clinically validated ACC/AHA Cardiac Risk Index estimates your 10-year risk of heart attack and stroke in under a minute, then shows you how the Hume Band 2.0 tracks the heart signals behind that number, every second of every day.

ACC/AHA Pooled Cohort Equations No email required

Cardiac Risk Index

10-year heart attack & stroke risk · ACC/AHA

Normal range 130–320 mg/dL
Normal range 20–100 mg/dL
Uses the ACC/AHA 2013 Pooled Cohort Equations, the standard clinicians use to estimate 10-year cardiovascular risk. Validated for ages 40–79.
Your 10-year heart attack & stroke risk
0%
0%7.5%20%30%+
Optimal risk for your age
0%
Risk category
Your score reflects a single moment. Your heart doesn't. Cholesterol, blood pressure and heart-rate variability shift daily. The Hume Band 2.0 tracks the live heart signals behind this number 24/7, so you catch changes early instead of at your next check-up. See how ↓
What your number means

Four risk tiers clinicians use

Your 10-year risk is the probability of a first heart attack or stroke over the next decade. Here's how cardiologists read the score.

Under 5%
Low

Your heart risk is well controlled. The goal now is to keep it there: small daily habits protect the years you've earned.

5% – 7.5%
Borderline

Risk is starting to build. This is the window where lifestyle changes and closer monitoring make the biggest difference.

7.5% – 20%
Intermediate

A meaningful risk that warrants action. Clinicians often discuss risk-lowering steps and consistent tracking at this level.

20% or more
High

Elevated risk that deserves a conversation with your doctor. Daily heart monitoring helps you and your clinician act sooner.

This Cardiac Risk Index provides estimates for general educational purposes only, using the ACC/AHA 2013 Pooled Cohort Equations. Results are not a diagnosis and are validated only for adults aged 40–79 without existing cardiovascular disease. Your true risk depends on many factors this tool does not capture. It is not medical advice. Always consult a qualified healthcare provider about your heart health.

Hume Band 2.0 heart-tracking wearable
Meet the Hume Band 2.0

A risk score is a snapshot. Your heart is a live signal.

The calculator estimates your risk from a handful of numbers you measure once or twice a year. The Hume Band 2.0 reads the signals behind that risk continuously: resting heart rate, heart-rate variability, blood-pressure trends and blood oxygen, every second on your wrist.

So instead of finding out something changed at your next appointment, you see it the day it starts.

Heart-rate variability Blood pressure, no cuff Resting heart rate 14+ day battery No subscription
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Behind the score

The heart signals your risk score can't see

Your Cardiac Risk Index uses static inputs. These are the living metrics the Band 2.0 tracks around the clock to reveal how your heart is really doing.

Heart-rate variability

HRV is one of the earliest signals of cardiovascular strain. The Band reads it continuously so you spot dips before they become problems.

Blood-pressure trends

Cuff-free daily insights into the single biggest driver of the ASCVD score, tracked as a trend, not a one-off reading in a clinic.

Resting heart rate

A rising resting heart rate can signal your cardiovascular system is under load. See your baseline and every shift from it, 24/7.

Early risk alerts

The Band flags unusual heart patterns early: 69% of the heart-risk alerts it surfaced were later confirmed by a doctor.

Hume app heart-rate variability and resting heart rate dashboard
Heart Resilience

See your heart's real range, not just a once-a-year snapshot

The Hume app maps your resting heart rate against your HRV every day, so you can see when your heart is in its optimal zone and when it's drifting out of it. Persistent deviations are often the earliest warning of cardiac stress.

It's the difference between a number you calculate once a year and a system watching your heart every single day.

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One band. A complete picture.

Protect your heart with real data

Biological age tracking in the Hume app

Continuous heart tracking

Resting heart rate, HRV and cardiovascular stress read every second, so the signals behind your risk score are never a mystery until your next check-up.

Recovery and strain tracking in the Hume app

Recovery & strain

See how much load your body is under and whether it's recovering. Chronic strain without recovery is one of the quiet drivers of heart risk.

Continuous heart tracking in the Hume app

Biological age

Your heart health is a major driver of how fast you're really aging. Track your biological age and watch it respond as your habits improve.

Built by scientists. Trusted for what matters most.

69%

of the heart-risk alerts the Band surfaced were later confirmed by a doctor.

74%

of users noticed warning signals from their body before they ever felt sick.

2,000+

five-star reviews from people who stopped guessing about their heart.

★★★★★
"My risk score looked fine on paper. The Band caught a resting heart rate creeping up for weeks. My doctor took it seriously, and we caught it early."
Verified Hume Band member

Your heart risk, answered

What exactly does my Cardiac Risk Index score mean?
It's your estimated probability of having a first heart attack or stroke in the next 10 years, based on the ACC/AHA Pooled Cohort Equations, the same model clinicians use. A 12% score means that out of 100 people with your profile, about 12 would be expected to have an event over a decade. It's an estimate to guide conversations, not a diagnosis.
I don't know my cholesterol numbers. What should I enter?
Total cholesterol and HDL come from a standard blood panel, usually done at an annual check-up. If you don't have recent numbers, a typical adult total cholesterol is around 180–200 mg/dL and HDL around 50 mg/dL, but for an accurate score, use your real lab values. This is exactly why continuous tracking matters: the Band watches the heart signals between those once-a-year blood tests.
How does the Hume Band 2.0 actually help my heart?
The Band uses always-on sensors to read heart rate, HRV, skin temperature, SpO2 and blood-pressure trends every second, then combines them into clear daily heart metrics. It flags unusual patterns early (69% of its heart-risk alerts were later confirmed by a doctor), so you can act on a change while it's still small.
Is there a subscription?
No. The Hume Band 2.0 is a one-time purchase with 14+ day battery life and no monthly fee to access your own heart data. You own it and can export it. A premium tier is optional. It's also HSA/FSA eligible.

You know your number. Now watch the heart behind it.

Turn a once-a-year risk estimate into 24/7 heart insight with the wearable built to protect your heart.

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© Hume Health. The Cardiac Risk Index on this page provides general educational estimates only using the ACC/AHA 2013 Pooled Cohort Equations and is not medical advice, a diagnosis, or a substitute for professional care. Health metrics and product claims describe the Hume Band 2.0. Always consult a qualified healthcare provider regarding your heart health.

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