2016
DOI: 10.17987/jatamis.v1i0.207
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Noninvasive Monitoring of Cardiac Preload and Contractility by Heart Beat-Derived Mechanical Vibration on the Chest Wall in Guinea Pigs

Abstract: <p><em>Background:</em><strong> </strong>Myocardial motion produces compression waves that are transmitted to the surface of the chest and vibrate the chest wall. Piezoelectric transducers, which detect mechanical vibrations, may be useful for evaluating cardiac and/or breathing movements when the sensor is placed under an animal’s body.</p><p><em>Methods:</em><strong> </strong>We assessed heartbeat-related chest vibration signals (CVS) detected… Show more

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“…While complications are infrequent, repeated invasive pressure measurements are avoided in patients 5 . Repeated measurements of invasive pressure can be utilized in large animal research, but the invasive nature of this measurement has motivated investigators [5][6][7][8][9][10][11][12] to develop noninvasive methods to measure ventricular contractility.…”
mentioning
confidence: 99%
“…While complications are infrequent, repeated invasive pressure measurements are avoided in patients 5 . Repeated measurements of invasive pressure can be utilized in large animal research, but the invasive nature of this measurement has motivated investigators [5][6][7][8][9][10][11][12] to develop noninvasive methods to measure ventricular contractility.…”
mentioning
confidence: 99%