Wireless body area network has gained much interest and became emerging technology at health service facilities due to its wide range of utility and vital role to improve the human health. In this research paper, we are conducting a comprehensive survey of wireless Body Area Network (WBAN) and also introducing a virtual doctor server (VDS) in existing WBAN architecture. Existing architecture of WBAN consists of: wireless sensor, wireless actuator node , wireless central unit and wireless Personal Device (PD). Personal Digital Assistant (PDA) or smart phone can be used as PD. Based on the existing architecture mentioned above, we propose a design concept for a virtual doctor server (VDS) to support various patient health care services. VDS will keep the historical data about the patient, generate the daily tips and advices for him, call the doctor or emergency squad if required and can provide first aid assistance instructions on patient or any of his close relative's PDA's.

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It is widely acknowledged that information technology plays a critical role in improving health care performance and productivity. In this paper, we present a survey of various IT systems recently introduced for a tertiary healthcare enterprise in the kingdom of Saudi Arabia. The enterprise hospitals constitute King Saud Medical City (KSMC) of Ministry of Health at Riyadh, Saudi Arabia. The paper discusses the KSMC hospital IT department objectives, and strategic plan for IT infrastructure, the vigorous development stages, and a brief summary of its impact on KSMC work performance. KSMC IT program innovative approach to clinical systems development, presented in this paper, may enhance the professional knowledge for introduction of ITbased clinical systems at similar tertiary healthcare hospitals.