Telehealth systems benefit from the rapid growth of mobile communication technology for measuring physiological signals. Development and validation of a tablet PC enabled noninvasive body sensor system for rural telehealth application are discussed in this paper. This system includes real time continuous collection of physiological parameters (blood pressure, pulse rate, and temperature) and fall detection of a patient with the help of a body sensor unit and wireless transmission of the acquired information to a tablet PC handled by the medical staff in a Primary Health Center (PHC). Abnormal conditions are automatically identified and alert messages are given to the medical officer in real time. Clinical validation is performed in a real environment and found to be successful. Bland-Altman analysis is carried out to validate the wrist blood pressure sensor used. The system works well for all measurements.

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A wireless physiological parameter monitoring system is presented in this paper for home health application. This system includes real time continuous collection and evaluation of physiological parameters like blood pressure, pulse rate and fall of an elderly at home. A reliable wireless personal area network like bluetooth has been used for this purpose. The hardware design of this system consists of sensors, PIC microcontroller, bluetooth module and mobile phone/laptop. This system provides safe and accurate monitoring. It also gives the freedom of movement.Index Terms-smart phone, bluetooth module, blood pressure monitoring, fall detection.I.

A noninvasive wrist worn blood pressure (NIBP) monitoring system is developed and discussed in this paper intended for low cost community health care applications based on android platform. This system includes real time continuous collection of physiological parameters (blood pressure, pulse rate) of a patient and wireless transmission to a tablet PC which can be monitored for diagnosis by a medical practitioner. A reliable wireless personal area network like bluetooth has been used for data transmission. The hardware design of this system includes blood pressure sensors, PIC microcontroller, bluetooth module and a tablet PC. The system will generate and send warning messages to the doctor/care giver, when the sensor values exceed the permissible range.

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