| Abstract: | Healthcare, the largest global industry, is undergoing significant transformations with the genesis of a new technology known as the Internet of Things (IoT).Many healthcare leaders are investing more money for transforming their services to harness the benefits provided by IoT, thereby paving the way for theInternet of Medical Things (IoMT), an extensive collection of medical sensors and associated infrastructure. IoMT has many benefits like providing remotehealthcare by monitoring health vitals of patients at a distant place, providing healthcare services to elderly people, and monitoring a large group of peoplein a region or country for detection and prevention of epidemics. This paper provides a review of IoT in the healthcare domain by first describing the enablingtechnologies for delivering smart healthcare, followed by some of the key applications of IoT in healthcare. Next, a fog-based architecture consisting ofthree layers for IoT-based healthcare applications is proposed. Finally, we focus on some of the open challenges of IoT in healthcare, like fault tolerance,interoperability, latency, energy efficiency, and availability. Existing solutions for these challenges are also discussed. |
