Patient Education

How the CathWorks FFRangio® System can help diagnose the severity of your coronary artery disease

Being informed about coronary artery disease (CAD) and the diagnostic tests available is the first step toward receiving the right care.

Research reveals that almost 1 in 3 patients who received a stent may not have needed one.1

FFR Angio 3D artery model

Do I need a coronary stent?

The FFRangio System — a new, state-of-the-art diagnostic tool — helps your doctor determine whether they need to intervene, including whether you need a stent.

How the FFRangio System works

Your doctor schedules an angiogram procedure
The FFRangio System transforms your angiograms into a 3D model of your coronary tree
The FFRangio System analyzes your vessels and calculates the resistance to blood flow
Your doctor quickly receives comprehensive physiology values that are used to make decisions about your treatment
CathWorks FFRangio System

Frequently Asked Questions

Patient Education Resources

Coronary artery disease
Download fact sheet
What is coronary artery disease?
Cardio Smart Infographic6
Download infographic
What is a coronary angiogram?
American Heart Association7
Download resource
CathWorks CAD Fact Sheet


1. Tonino PAL, et al. Fractional Flow Reserve versus Angiography for Guiding Percutaneous Coronary Intervention. N Engl J Med. 2009;360:213-224.
2. Mayo Clinic. Coronary Artery Disease: Symptoms & Causes. Accessed 5/20/2020.
3. American Heart Association. Heart Disease and Stroke Statistics—2018 update.
4. Mayo Clinic. Coronary Artery Disease: Diagnosis & Treatment. Accessed 5/20/2020.
5. Mayo Clinic. Coronary angiogram: mayoclinic.org/tests-procedures/coronary-angiogram/about/. Accessed 5/20/2020.
6. American College of Cardiology. cardiosmart.org. Accessed 11/4/2022.
7. American Heart Association. heart.org/answersbyheart. Accessed 11/8/2022.

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