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Monitoring system for detection of person and his/her activity in the bathroom is described in the paper. It also detects and monitors person taking bath. The system consists of sensors measuring humidity, air and water temperature, spilled water, and state of bathtub. The bathtub state detector (BSD) allows controlling water level and its temperature. It also monitors of person's activity when being...
Pulse pressure velocity measurements (PPV) may be a source of useful information on artery state. A 2007 guideline of the European Society of Hypertension recommends assessing arterial stiffness in patients with arterial hypertension, by measuring the PPV. Mechanical changes in the cardiovascular tree involved in the blood ejection have been measured at the thorax level and on the wrist using impedance...
An electrode matrix and electronic circuit for simultaneous monitoring heart performance and respiration activity is described in the paper. The heart performance is evaluated basing on a mechanical and electrical activity. The mechanical activity is measured using bioimpedance method while the electrical one using a typical approach, i.e. one channel electrocardiogram is recorded. An electrode matrix...
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