This program is an instrument for people who need urgent medical help in case of sudden disease exacerbation. All users are divided in two groups – Patients (people who might need help) and Doctors (real doctors ready to help quickly). Patients can send a SOS signal in case of emergency. SOS signal will contain information about user name, send time and coordinates. Doctors can determine nearby people who needs urgent medical aid using interactive map, where closest SOS signals are displayed.