A mattress provides side support that reduces the likelihood that a person will accidentally roll off and also provides increased comfort to a person sitting on the side of the mattress. Remote management portal software resides on host computer servers, which are in turn accessed and managed by user members through a common browser interface via the Internet or a wireless communication network via a wireless mobile device. The apparatus includes an image processor, a data reduction unit and a buffer. A second set of Doppler image data optimized for the visualization of a needle or other invasive device is created along another, parallel Doppler image processing path. Web reservation subsystem typically includes a database and an associated database management system.