Gregory T A Kovacs
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Explore the profile of Gregory T A Kovacs including associated specialties, affiliations and a list of published articles.
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41
Citations
577
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Recent Articles
1.
Forouzanfar M, Baker F, de Zambotti M, McCall C, Giovangrandi L, Kovacs G
Psychophysiology
. 2018 Mar;
55(8):e13072.
PMID: 29512163
Impedance cardiography is the most common clinically validated, noninvasive method for determining the timing of the opening of the aortic valve, an important event used for measuring preejection period, which...
2.
Kovacs G, Shadden M
PLoS One
. 2017 Jul;
12(7):e0181381.
PMID: 28749968
NASA's periodic selection of astronauts is a highly selective process accepting applications from the general population, wherein the mechanics of selection are not made public. This research was an effort...
3.
McCall C, Rostosky R, Wiard R, Inan O, Giovangrandi L, Cuttino C, et al.
Annu Int Conf IEEE Eng Med Biol Soc
. 2016 Jan;
2015:6429-32.
PMID: 26737764
The use of a noninvasive hemodynamic monitor to estimate arterial stiffness, by measurement of pulse transit time (PTT), was demonstrated in microgravity. The monitor's utility for space applications was shown...
4.
McCall C, Stuart Z, Wiard R, Inan O, Giovangrandi L, Cuttino C, et al.
Annu Int Conf IEEE Eng Med Biol Soc
. 2015 Jan;
2014:5180-3.
PMID: 25571160
The performance and practicality of a scale-based ballistocardiogram (BCG) system for hemodynamic monitoring of astronauts on extended space missions was demonstrated. The system consists of a modified electronic weighing scale...
5.
Wiard R, Inan O, Giovangrandi L, Cuttino C, Kovacs G
Annu Int Conf IEEE Eng Med Biol Soc
. 2013 Oct;
2013:7290-3.
PMID: 24111428
We report on the feasibility of standing ballistocardiogram (BCG) measurements recorded in a microgravity environment. A clinically-tested BCG monitoring scale was adapted for parabolic flight for the microgravity measurements. Upon...
6.
Inan O, Pandia K, Giovangrandi L, Zamanian R, Kovacs G
Annu Int Conf IEEE Eng Med Biol Soc
. 2013 Oct;
2013:7286-9.
PMID: 24111427
Ballistocardiography and seismocardiography are both non-invasive mechanical measurements of the vibrations of the body in response to the heartbeat. The ballistocardiogram (BCG) signal represents the movements of the whole body...
7.
Pandia K, Inan O, Kovacs G
Annu Int Conf IEEE Eng Med Biol Soc
. 2013 Oct;
2013:6881-4.
PMID: 24111326
The seismocardiogram (SCG) signal traditionally measured using a chest-mounted accelerometer contains low-frequency (0-100 Hz) cardiac vibrations that can be used to derive diagnostically relevant information about cardiovascular and cardiopulmonary health....
8.
Giovangrandi L, Inan O, Banerjee D, Kovacs G
Annu Int Conf IEEE Eng Med Biol Soc
. 2013 Feb;
2012:3780-3.
PMID: 23366751
We report on the preliminary deployment of a bathroom scale-based ballistocardiogram (BCG) system for the in-hospital monitoring of patients with heart failure. These early trials provided valuable insights into the...
9.
Evander M, Ricco A, Morser J, Kovacs G, Leung L, Giovangrandi L
Lab Chip
. 2013 Jan;
13(4):722-9.
PMID: 23282651
We present the design and performance characteristics of a platelet analysis platform based on a microfluidic impedance cytometer. Dielectrophoretic focusing is used to centre cells in a fluid stream, which...
10.
Pandia K, Inan O, Kovacs G, Giovangrandi L
Physiol Meas
. 2012 Sep;
33(10):1643-60.
PMID: 22986375
Seismocardiography (SCG) is a non-invasive measurement of the vibrations of the chest caused by the heartbeat. SCG signals can be measured using a miniature accelerometer attached to the chest, and...