Loss of Pulse Detection is an AI-enabled medical device from Fitbit that the U.S. FDA cleared through 510(k) K242967 on February 25, 2025. Its lead review panel is Cardiovascular and its primary product code is SDY (Loss Of Pulse Notification Software).
See also FDA-cleared AI cardiovascular devices in 2025, all FDA AI clearances in 2025, top cardiovascular AI devices.
Key facts
| Submission number | K242967 |
|---|---|
| Pathway | 510(k) |
| Date of final decision | |
| Company (FDA list) | Fitbit |
| Lead review panel | Cardiovascular |
| Primary product code | SDY — Loss Of Pulse Notification Software |
| Applicant (openFDA) | Fitbit |
| Applicant location | San Francisco, CA, US |
| Device class | Class 2 |
| Regulation number | 21 CFR 870.2790 |
| Decision code | SESE |
| Submission type | Traditional |
Source: FDA AI-Enabled Medical Devices list and openFDA.
What this means
A 510(k) is a premarket submission showing the device is substantially equivalent to a legally marketed predicate device. A cleared 510(k) means FDA agreed with that equivalence. Loss of Pulse Detection went through this pathway (K242967).
openFDA lists it as a Class 2 device under 21 CFR 870.2790. Class II devices are moderate risk and are subject to general and special controls.
Product code SDY covers 1 device on the FDA AI list. By decision date, this device is #1 of 1 under that code. Fitbit has 1 AI-enabled device on the list, and the Cardiovascular panel accounts for 154 in total.
Being on this list doesn't describe how well the device works clinically. Check the FDA record for its indications for use.