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Recent Advances in Seismocardiography [PDF]
Vibration, 2019 Cardiovascular disease is a major cause of death worldwide. New diagnostic tools are needed to provide early detection and intervention to reduce mortality and increase both the duration and quality of life for patients with heart disease. Seismocardiography (SCG) is a technique for noninvasive evaluation of cardiac activity. However, the complexity of
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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. +3 more
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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. +3 more
openaire +2 more sources
Myocardial contractility: A seismocardiography approach
2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012Features 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 +6 more
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Detection of atrial fibrillation with seismocardiography
2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016In 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 +6 more
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Correlation between diastolic seismocardiography variables and echocardiography variables
European Heart Journal Digital Health, 2022 Abstract Aims Echocardiography is a key diagnostic tool for assessment of myocardial performance and haemodynamics. Seismocardiography (SCG) can potentially provide fast and reliable assessments of key components related to myocardial performance.
Kasper Sørensen +2 more
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Seismocardiography: Past, present and future
2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2013This paper presents an overview of seismocardiography (SCG) as a noninvasive cardiology method. The paper represents a brief historical background to the SCG, an assessment of the technology at present, and an evaluation of the challenges we must address.
John M. Zanetti, Kouhyar Tavakolian
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A Hidden Markov Model for Seismocardiography
IEEE Transactions on Biomedical Engineering, 2017We propose a hidden Markov model approach for processing seismocardiograms. The seismocardiogram morphology is learned using the expectation-maximization algorithm, and the state of the heart at a given time instant is estimated by the Viterbi algorithm. From the obtained Viterbi sequence, it is then straightforward to estimate instantaneous heart rate,
Johan Wahlström +6 more
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Seismocardiography while sleeping at high altitude
2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012Current advancements in sensor technology allow the prolonged assessment of the seismocadiogram (SCG) out of the laboratory setting. Aim of this study is to evaluate whether SCG, as measured by a recently proposed wearable device, can detect cardio-respiratory alterations during sleep in healthy subjects exposed to high altitude hypoxia.
Paolo Castiglioni +6 more
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Seismocardiography-Based Detection of Cardiac Quiescence
IEEE Transactions on Biomedical Engineering, 2015Cardiac-computed tomography angiography (CTA) is a minimally invasive imaging technology for characterizing coronary arteries. A fundamental limitation of CTA imaging is cardiac movement, which can cause artifacts and reduce the quality of the obtained images.
Carson A. Wick +3 more
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