The well-known health care applications using wireless
sensor network is CodeBlue [5] project developed by Harvard
University. This application covers pre-hospital and inhospital
emergency
care
and
patient
rehabilitation.
Many
wireless
vital
signs
such
as pulse
oximeter,
blood pressure
and
two-lead
Electromyogram
(EKG)
were
developed
to
successfully
use
in
their
projects.