Replacement hearts that are currently available are too large to fit into folks without "large chest cavities" (including most women), and due to the vast quantity of moving parts, aren't guaranteed to function for an extended period of time.
The PENTAX Q10 comes equipped with a Full HD video capture function employing the H.264 recording format, allowing the user to capture high quality, extended movie clips (1920 x 1080 pixels) at a frame rate of 30 frames per second.