The World Health Organization (WHO) defines e-Health as “The use of information and communication technologies for better health monitoring. For example, for the treatment of certain patients, promote research, create tools for education students, do screening in various diseases, for the monitoring of public health “.
A study by the British Department of Public Health, the proper use of eHealth, produced a 45% reduction in mortality rates of patients with diabetes and those who had suffered a circulatory arrest.
EHealth services are extensive with easily accessible technology, such as telephone consultation with a health care professional, the device for personal alarm with panic button, electronic dispenser of drugs, meters to evaluate blood pressure, electrocardiographic equipment for registration event, glucose monitors or pulse oximeter for measuring oxygen levels in blood.