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FH Vitals SDK-RR is a software-only respiratory rate measurement tool intended to be integrated into third-party software applications on compatible mobile devices, laptops, or computers. It is intended for spot checking of Respiration Rate (RR) in an automatic contactless manner by analyzing chest wall movement from video input when the subject is still and properly positioned in front of the camera in a well-lit environment. FH Vitals SDK-RR is intended for use under the supervision of a healthcare professional, either in clinical or home environments, and is not intended for continuous monitoring, apnea detection, or as the sole method for evaluating physical health. It is intended to serve as a supplemental tool to assist in the overall assessment of the patient. The software is indicated for use on individuals aged 18 years and older who do not require critical care or continuous vital sign monitoring.

The FaceHeart Vitals Software Development Kit (FH Vitals SDK-RR) is a software product designed for integration into various software applications, such as those on mobile devices, laptops, or computers. This SDK is strictly a software-only product and is compatible with the following operating systems: Windows 10, Android 14, and iOS 17. It has been tested and is currently only compatible with the following cameras: - Logitech C930 webcam - Samsung S24+, S24+ smartphone front-facing cameras - iPhone 15 Pro, and iPhone 15 Pro Max front-facing cameras The SDK is non-contact and designed to measure the respiratory rate in breaths per minute based on facial video streams. When the SDK receives a video stream, it first identifies and tracks the face within the video, ensuring consistent positioning of the face. Based on the tracked facial region, the system identifies the chest as the region of interest (RoI) and locates reliable key points. The system then focuses on the movement of the chest within the RoI to further determine the number of respiratory cycles. By analyzing the frequency of chest elevation and depression, the SDK calculates the respiratory rate in breaths per minute. FH Vitals SDK-RR is designed for non-invasive respiratory rate measurement with a validated measurement range of 5-36 bpm. The SDK is not intended for apnea monitoring or detecting the cessation of breathing. FH Vitals SDK-RR is a prescription-use software device that must be used under the clinical supervision or instruction of a licensed healthcare professional (HCP).