Heart disease has the second high mortality rate
behind cancer in Japan, and requires quick treatment. To take a
part in emerging mHealth, we developed a wearable heart disease
monitoring and alerting system “Dentan”. Dentan continuously
monitors patient’s ECG in his/her daily activities and issues an
alert to the patient as well as surrounding people if it detects
abnormal heart behavior. Dentan consists of a wireless ECG
sensor and a smartphone to achieve light-weighted, low-cost
system that does not degrade the patient’s Quality of Life. In
parallel, we developed ECG analysis algorithm to detect R-wave
as well as arrhythmia and performed demonstration experiments
to validate its effectiveness. We implemented these algorithms in
wireless ECG sensor rather than in smartphone to save power
consumption of ECG sensor caused by radio communication.