Abstract: The present invention includes an apparatus and method for blood pressure trend determination of a subject comprising: a housing; at least one of a photoplethysmographic (PPG) sensor or a magnetic sensor in or on the housing and adapted to be worn by the subject, wherein the PPG/magnetic sensor uses a pulse oximeter to measure changes in skin light absorption; a processor for receiving a signal from the at least one of the PPG sensor or the magnetic sensor measurements, wherein the processor comprises a non-transitory computer readable medium having instruction stored thereon, wherein the instructions, when executed by the processor, cause the processor to: measure a trend analysis results to determine the blood pressure trend over a time period; and an input/output device that at least one of stores, displays, or transmits blood pressure trend of the subject.

Abstract: The present invention includes an apparatus and method for blood pressure trend determination of a subject comprising: a housing; at least one of a photoplethysmographic (PPG) sensor or a magnetic sensor in or on the housing and adapted to be worn by the subject, wherein the PPG/magnetic sensor uses a pulse oximeter to measure changes in skin light absorption; a processor for receiving a signal from the at least one of the PPG sensor or the magnetic sensor measurements, wherein the processor comprises a non-transitory computer readable medium having instruction stored thereon, wherein the instructions, when executed by the processor, cause the processor to: measure a trend analysis results to determine the blood pressure trend over a time period; and an input/output device that at least one of stores, displays, or transmits blood pressure trend of the subject.

Abstract: The present invention includes systems and methods for preventing negative interaction between patients with dementia in a pre-determined area comprising: positioning a plurality of wireless communication devices at specific, known locations in the pre-determined area; providing each patient with dementia with a wearable medical device; providing a patient database; and using a processor in communication with the patient database and the plurality of wireless communication devices, wherein the processor calculates a position in the pre-determined area for each patient, and wherein the processor displays an alert when a movement of two patients that are in the patient database having known negative interaction are approaching each other within a line-of-sight or within a pre-determined distance.