The Science

Serving communities. Saving lives.

Why an AED at Home
Changes Everything

The numbers are clear. Survival doesn't depend on skill or luck — it depends on whether the device is in the room. Here's the full picture.

350K
out-of-hospital cardiac arrests in the US annually
73%
happen at home or in residential settings
<10%
survive without immediate defibrillation
Up to 70%
survive when an AED is used within minutes

"Of the 350,000 Americans who have a cardiac arrest outside a hospital every year, the difference between the ones who survive and the ones who don't is almost entirely determined by one thing: whether a defibrillator was present and used in the first few minutes. Not training. Not luck. The device."

The Math

What the survival curve looks like

Every minute without defibrillation costs 10 percentage points of survival probability. Average EMS response is 7–10 minutes. Do the math.

Survival by Minute
Min 1
70%
Min 2
60%
Min 3
50%
Min 4
40%
Min 5
30%
Min 6
20%
Min 7
10%
Min 8
5%

Approximate survival rates based on AHA published guidelines. Individual outcomes vary.

Why CPR alone isn't enough

CPR is critical — it keeps blood circulating and buys time. But CPR alone has a survival rate of less than 10% for cardiac arrest. The heart needs to be shocked back into a normal rhythm. That requires defibrillation.

An AED analyzes the heart rhythm automatically and delivers a shock only when one is needed. It talks you through every step in plain language. You do not need training to use one effectively. The device does the work — it just needs to be present.

EMS carries defibrillators, but they arrive in 7–10 minutes on average. By minute 7, if no AED has been used, the window of highest survivability has almost closed.

The Bottom Line

For every 100 people who have a cardiac arrest at home without an AED present, fewer than 10 survive. For every 100 with an AED used quickly, up to 70 survive. That difference — 60 additional lives per 100 events — is a device on the wall.

Why Home Specifically

We solved the public problem.
The private one remains.

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73% Happen at Home

The majority of cardiac arrests happen in residential settings — not airports, not gyms, not offices. The entire public AED infrastructure covers less than 30% of events. Guard Your Heart covers the rest.

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EMS Takes 7–10 Minutes

The national average EMS response time is 7 to 10 minutes. Survival drops 10% per minute without defibrillation. By arrival, the window of highest survivability has often passed. An AED in the home changes the first 5 minutes entirely.

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One Device, Whole Family

A Guard Your Heart AED doesn't just protect the person it was deployed for. It covers everyone in the household — spouses, children, parents, visitors. One deployment. One family protected.

The data is clear.
Let's act on it.

Tell us about your community and we'll show you how Guard Your Heart can put AEDs where they're needed most.

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Or write directly:

info@guardyourheart.us