The document describes a medical mirror that can track and display a user's heart rate in real time using only a webcam, without any external sensors. The mirror consists of an LCD monitor with a built-in webcam connected to analysis software running on a laptop. It uses computer vision techniques to detect the user's face, extract color signals, and analyze the frequency corresponding to heart rate. The technology provides a low-cost, convenient way to monitor heart rate and could help detect potential health issues.