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Abstract
The role of Big data analytics in healthcare is about collecting, analysing patient’s data that has many dimensions and is complex to be understood by traditional approaches, in order to bridge this gap we need to come up with a technology that is able to meet up the day to day challenges in healthcare such as volume, velocity, variety, and veracity and should be able to capture and collect relevant data to produce suitable decisions when needed. Rapidly increasing healthcare industry demands better care management and with involvement of Big data in healthcare, the way of storing data and producing results has been drastically changed, it is now said that the more is Big data involved, the more efficient is healthcare. Therefore, it is the need of hour to focus on best opportunities to be generated using big data analytics, thus this paper reviews and discusses the recent evolvement, features, applications and trends in healthcare and presents various good projects currently working successfully.