Helo Corp.'s Patent Pending Side Sensor Enables Vascular Age Assessment on its Vyvo Life Watch 2 Life Sensing Technology TM and dedicated to improving wellness worldwide, is pleased to announce that with its latest Vyvo Smart app update, it provides rapid, non-invasive Vascular Age assessment to all Vyvo Life Watch 2 users worldwide. Vyvo's patent-pending side sensor captures high-quality fingertip photoplethysmogram (PPG) signals [1] on demand. Accelerated Plethysmography [2] (APG), which uses the second derivative of PPG waveform, is used to analyze the wearer's arterial stiffness and estimate their Vascular Age. The whole process takes less than a minute. Figure: Vyvo Life Watch 2 with patent-pending side sensor and APG result displayed on the Vyvo Smart app.