**Google’s Pixel Watch 3 Secures FDA Approval for Life-Saving Pulse Monitoring Capability**

Google has attained **FDA approval** for a groundbreaking pulse monitoring capability aimed at helping smartwatch users during medical crises.

### **Operational Mechanism**
Employing an **AI-driven algorithm** alongside a **multipath heart rate sensor**, the Pixel Watch 3 can identify the absence of a pulse, which could signify **critical medical situations** such as **cardiac arrest, poisoning, or respiratory failure**. Should a pulse be untraceable, the watch will **automatically reach out to emergency services** for aid.

Google states that the feature was crafted with contributions from **cardiologists, resuscitation specialists, emergency medical service (EMS) experts, dispatch coordinators, and paramedics** to guarantee its efficacy in real-life circumstances.

### **Responding to Unwitnessed Medical Crises**
“When a pulse loss occurs, it’s often the responsibility of a bystander to seek or provide assistance,” Google’s statement reads. “However, nearly **50% of cardiac arrest-related pulse loss incidents go unwitnessed**, leaving millions across the globe without immediate emergency aid.”

### **Emergency Response Procedure**
1. The **Pixel Watch 3 consistently monitors heart rate** and detects pulse absence.
2. If no pulse is located, **additional sensors** assess for other life indicators, such as movement.
3. When no response is found, the watch **issues check-in alerts** to the user.
4. If the wearer does not reply, the watch **sounds a loud alarm** and presents a countdown timer.
5. If there is still no response, the watch **automatically dials emergency services** through its **LTE connection** or a linked smartphone.

### **Constraints and Availability**
Google elucidates that this feature is **not designed for persons with pre-existing heart issues** or individuals needing continuous cardiac surveillance.

The **Loss of Pulse Detector** was first introduced in **August 2024** and debuted in select markets, including the **U.K., France, Austria, Denmark, Ireland, the Netherlands, Norway, Sweden, and Switzerland**. It has since been extended to **14 countries** and is now **accessible in the U.S.** for Pixel Watch 3 owners.

This pioneering feature establishes Google’s smartwatch as a possible **life-saving instrument**, providing an additional layer of security for users who might face unexpected medical emergencies.