Results 151 to 160 of about 1,227 (181)

Jerks are useful: extracting pulse rate from wrist-placed accelerometry jerk during sleep in children. [PDF]

Sleep
Weaver RG, Chandrashekhar MVS, Armstrong B, White Iii JW, Finnegan O, Cepni AB, Burkart S, Beets M, Adams EL, de Zambotti M, Welk GJ, Nelakuditi S, Brown Iii D, Pate R, Wang Y, Ghosal R, Zhong Z, Yang H.   +17 more
europepmc   +1 more source

An Adjustable Smart Ring to Monitor Pulse Rate and Peripheral Blood Oxygen Saturation. [PDF]

Ann Biomed Eng
Montenegro M, Aliverti A, Angelucci A.
europepmc   +1 more source

Three dimensional apex seismocardiography

, 2014
Schmidt, Samuel; id_orcid 0000-0002-0917-634X, Jensen, Ask Schou, Melgaard, Jacob; id_orcid 0000-0002-4192-6358, Graff, Claus; id_orcid 0000-0001-9650-9781, Hansen, John; id_orcid 0000-0003-4989-8117, Bhuiyan, Tanveer Ahmed, Struijk, Johannes; id_orcid 0000-0002-8713-1913   +6 more
openaire   +1 more source

Heartbeat detection and personal authentication using a 60 GHz Doppler sensor. [PDF]

Front Digit Health
Asano T, Izumi S, Kawaguchi H.
europepmc   +1 more source

Seismocardiography: Practical implementation and feasibility

, 2014
openaire   +3 more sources

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Synchronized Vibration Data Acquisition for Seismocardiography

Lecture Notes in Electrical Engineering
Seismocardiography (SCG) is a non-invasive technique that detects the heart’s vibrations to evaluate its mechanical activity. This research presents the design of a SCG device that utilizes a sensor fusion algorithm accurate detection of heart vibrations. The hardware comprises a main board with a high-performance microcontroller and multiple satellite
Baiamonte G., Vella A., lo Valvo F., Chiarello G., Sapienza S., Alfano T., Galioto G., Giaconia G. C.   +7 more
exaly   +2 more sources

Wearable Seismocardiography

2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2007
Seismocardiogram (SCG) is the recording of body vibrations induced by the heart beat. SCG contains information on cardiac mechanics, in particular heart sounds and cardiac output. In this paper we present a new wearable device for SCG recordings during long term monitorings, and the results of a validation test in 4 subjects. The system is based on the
Castiglioni, P., Faini, A., Parati, G., Di Rienzo M.   +3 more
openaire   +2 more sources

Myocardial contractility: A seismocardiography approach

2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012
Features are extracted from seismocardiogram data to correlate with two indexes of myocardial contractility: dP/dt(max) (maximum first derivative of left ventricular pressure) and stroke volume. In the first study on three pigs, it is shown that the time period between the R peak of the ECG and the first peak of the SCG (R-AO period or pre-ejection ...
Kouhyar Tavakolian, Gonzalo Portacio, Niloufar R. Tamddondoust, Graeme Jahns, Brandon Ngai, Guy Albert Dumont, Andrew P. Blaber   +6 more
openaire   +2 more sources

Detection of atrial fibrillation with seismocardiography

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016
In this paper we study the feasibility of seismocardiography (SCG) for the detection of Atrial Fibrillation (AF). In this preclinical study, data acquired from one patient having paroxysmal AF (no other heart diseases) is used to introduce specific changes in SCG signal due to AF.
Mikko Pänkäälä, Tero Koivisto, Olli Lahdenoja, Tuomas Kiviniemi, Antti Saraste, Tuija Vasankari, Juhani Airaksinen   +6 more
openaire   +5 more sources