An Energy-Efficient and Blockchain-Integrated Software Defined Network for the Industrial Internet of Things.

The number of unsecured and portable Internet of Things (IoT) devices in the smart industry is growing exponentially. A diversity of centralized and distributed platforms have been implemented to defend against security attacks; however, these platforms are insecure because of their low storage capacities, high power utilization, single node failure, underutilized resources, and high end-to-end delay. Blockchain and Software-Defined Networking (SDN) are growing technologies to create a secure system and to ensure safe network connectivity.

Unstable angina clue to coronary artery muscle bridge: a case report.

A 40-year-old man was admitted with the complaint of rest anginal episodes since few hours prior to admission. His BP was 120/80 mm Hg. ECG revealed no evidence of acute ischaemia.