The infusion of information communication technology (ICT) into health services is emerging as an active area of research. It has several advantages but perhaps the most important one is providing medical benefits to one and all irrespective of geographic boundaries in a cost effective manner, providing global expertise and holistic services, in a time bound manner. This paper provides a systematic review of technological growth in eHealth services. The present study reviews and analyzes the role of four important technologies, namely, satellite, internet, mobile, and cloud for providing health services.

Department of Computer Science and IT4Innovations Faculty of Electrical Engineering and Computer Science VŠB Technical University of Ostrava 17 Listopadu 15 2172 Poruba 708 33 Ostrava Czech Republic

IIT Roorkee Saharanpur Campus Saharanpur 247001 India

NIFM Sector 48 Pali Road Faridabad Haryana 121001 India

RKGIT 5th Km Stone Delhi Meerut Road Ghaziabad 201001 India

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