A system having a chest piece for fitting to human skin, a receiver unit and a distant server； said chest piece encapsulates a sound transducer for acquiring raw sound data for being communicated as data signal； said receiver, in operation, is in communication with said chest piece； said receiver is a portable device having a display unit and data processing ability, and is further connectable to a local data network or global internet； said distant server comprises computer coded instructions which, in operation, processes said data signals, stores medical information and communicates said data signals and/or medical information with at least two recipients, the recipients are able to communicate information.
