Frequently asked questions
General Questions
HeartFocus is an AI-powered cardiac imaging assistant that helps medical professionals acquire diagnostic-quality heart ultrasound images in just a few hours — even without prior echocardiography training. It runs on iPad and with Butterfly iQ+ and iQ3 probes.
Any health care professional. With just a short onboarding, nurses, physician assistants, and any medical doctor ( general practitioners, emergency doctors , …) can start capturing diagnostic-quality cardiac views. Training will be provided by the DESKi team.
HeartFocus supports 10 standard transthoracic echocardiographic (TTE) views, including Parasternal Long Axis (PLAX), Apical 4-Chamber (A4C), Subcostal IVC (SC-IVC), and others.
Live guidance. Auto-record. AI-validated quality. No cloud dependency.HeartFocus mimics how a trained sonographer scans — giving real-time guidance, detecting optimal image quality, and automatically saving the best clips.
You can see HeartFocus in action via online quick guide tutorial videos.
HeartFocus is sold as a single license per Butterfly probe serial number. Usage is unlimited for each license (and no login is needed to start scanning).
A single license sold costs $695 (for customers who buy less than 5 licenses).
Customers receive a 30-day free trial sign-up period.
Enterprise sales pricing is available upon request to Sales (for more than 5 licenses).
HeartFocus and HeartFocus Education are different products.
HeartFocus Education was previously made available for education purposes only in Butterfly Garden: supporting healthcare professionals in mastering cardiac ultrasound. It is not a medical device and cannot be used in clinical settings. This product was free and is retired from the market on August 24th, 2025.
The NEW HeartFocus clinical app, is FDA cleared for use in clinical settings and for use with patients, starting August 27th, 2025 when the product launches.
HeartFocus Portal allows you to buy and manage your HeartFocus licenses. Notably, it allows you to set up your licenses by providing your ultrasound probe serial number.
Butterfly customers can start using HeartFocus right now! They must follow those simple steps:
- 1 - Sign up on the HeartFocus Portal
- 2 - Purchase HeartFocus licenses
- Our business model is 1 license per probe and unlimited users!
- We offer a 1-month free trial of the HeartFocus license
- 3 - Set up their Butterfly iQ+ or iQ3 probe by providing its serial number
- 4 - Download the app on the App Store
- 5 - Start scanning!
Clinical Impact
Yes. In a pivotal study, 8 nurses captured diagnostic-quality scans in 100% of patients — including those with cardiac abnormalities and high BMI — after just a half-day of training. See link to article below:
https://www.jacc.org/doi/10.1016/j.jacadv.2025.102005
HeartFocus enables visual evaluation of:
- LV and RV size and function
- Pericardial effusion
- Atrial sizes, valve morphology
- IVC diameter and segmental wall motion
Average exam time for a first-time novice user was 20 minutes — for a full 10-view protocol.
Accessibility and Compatibility
The app is FDA cleared and in English and is launched in the US on August 27th, 2025.
HeartFocus is compatible with ButterFly iQ+ and iQ3 ultrasound probes.
You can buy a Butterfly scanner directly from the Butterfly Store. More information also at butterflynetwork.com.
The iPad® is currently the only tablet compatible with the HeartFocus app.
The HeartFocus app is available on Apple iOS 16.0 or newer. It is not compatible with beta versions of iOS. See the table below.
No. Scanning and AI guidance work entirely offline. Internet access is only needed:
- To install/update the app
- License verification once every 30 days
- To send scans to a DICOM PACS system
HeartFocus is compatible with the iPad® and is currently not compatible with mobile phones.
No, HeartFocus is a mobile app that works off your iPad® and in connection with your Butterfly probes.
Yes if you are a Butterfly Enterprise user, HeartFocus exams may be exported with the Butterfly Link. You may directly contact the Butterfly team to help setting it up.
HeartFocus - Scanning Experience
HeartFocus gives real-time visual cues — showing how to tilt, translate, or rotate the probe to reach a diagnostic-quality view. When image quality is high enough, the software auto-records the best clip.
Yes. In addition to Auto-Record and Best-Effort Record, users can trigger Manual Record and choose whether to save the clip.
The AI was trained on over 1 million labeled images. In the clinical trial, 99.7% of auto-recorded clips were rated diagnostic by expert cardiologists.
Yes, HeartFocus can store views collected and includes DICOM export for exam sharing.
No, HeartFocus does not currently include the Doppler feature. But please sign up for the newsletter on www.heartfocus.ai to be notified of new product launches.
No, HeartFocus does not currently include the Ejection Fraction feature. But please sign up for the newsletter on www.heartfocus.ai to be notified of new product launches.
Data & Security
Scans are stored locally on the tablet. No data is sent to DESKi servers. Scans can be sent securely via DICOM to a PACS. HeartFocus includes audit logs and complies with HIPAA and TLS encryption best practices.
You’ll get a warning message. Just reconnect via the Butterfly iQ app and resume scanning. Your exam is saved unless you choose to discard it.
Yes. But deletion is permanent. We recommend deleting only after exams are successfully sent to PACS.
Troubleshooting
- Ensure the probe is properly placed and facing the heart
- Adjust the depth or gain if needed
- Reposition for better intercostal windows
- Refer to the chest UI to orient yourself
- Confirm WiFi or cellular connection
- Check DICOM server settings
- Contact your IT team if issues persist
Contact for Support
You can simply email us to support@deski.ai
Please specify with your inquiry and if you have an account on our HeartFocus Customer Portal, please state the email you used for your account creation.