Abstract: The subject matter discloses a method, comprising collecting information from at least one blood pressure sensor attached to a person, wherein said collected information is related to the blood pressure conditions of the person, transmitting said collected information to an analysis system, said analysis system has access to prior blood pressure measurements of the person, transmitting the person's identity to said analysis system, the person is associated with said transmitted collected information, comparing said collected information with historical blood pressure information of said person, detecting an abnormal trend according to said comparison of the collected information with the historical information related to the blood pressure conditions of said person, generating an indication according to predefined procedures in case the abnormal trend is detected.