standard medical monitoring. It is possible to measure the
blood pressure using wearable sensors through a modified
volume-oscillometric technique which eliminates the need for
an inflatable pressure cuff [5] and using earphone and mobile
device [6].
In the area of sport and training there is an increasing trend
of using various wearable sensors. Something, for example,
measurement of sweat rate which was possible only in the
laboratory based system a few years back is now possible
using wearable sensors [7]–[9].
The use of wearable sensors has made it possible to have
the necessary treatment at home for patients after an attack of