Examining the casualty’s cardiac activity is an important component of first aid procedures before transporting the casualty to a specialised medical facility. During disasters and accidents, there are many victims and emergency teams must be equipped with specialised portable medical devices for measuring ECG, pulse, blood sugar, temperature, etc. This paper describes an innovative solution for ECG monitoring of victims during disasters and accidents. The proposed device provides the possibility of a quick warning of a deviation from the heart rate norms. A novel concept for communication is suggested based on uMAC. The results obtained from the device can be monitored remotely using a management program of the Local Operator Station (laptop, medical tablet or mobile device). AR/VR-based simulation software is also planned to be developed to train emergency medical personnel to operate the device.