Search Results - "Wiard, Richard M."

Automatic detection of motion artifacts in the ballistocardiogram measured on a modified bathroom scale by Wiard, Richard M., Inan, Omer T., Argyres, Brian, Etemadi, Mozziyar, Kovacs, Gregory T. A., Giovangrandi, Laurent

“…Ballistocardiography (BCG) is a non-invasive technique used to measure the ejection force of blood into the aorta which can be used to estimate cardiac output…”
Get full text

Ballistocardiography - A method worth revisiting by Giovangrandi, L., Inan, O. T., Wiard, R. M., Etemadi, M., Kovacs, G. T. A.

“…The field of ballistocardiography seems to be enjoying a recent resurgence, most notably through the development of novel technologies and signal processing…”
Get full text

Noninvasive pulse transit time measurement for arterial stiffness monitoring in microgravity by McCall, Corey, Rostosky, Rea, Wiard, Richard M., Inan, Omer T., Giovangrandi, Laurent, Cuttino, Charles Marsh, Kovacs, Gregory T. A.

“…The use of a noninvasive hemodynamic monitor to estimate arterial stiffness, by measurement of pulse transit time (PTT), was demonstrated in microgravity. The…”
Get full text

Preliminary results from standing ballistocardiography measurements in microgravity by Wiard, Richard M., Inan, Omer T., Giovangrandi, Laurent, Cuttino, Charles Marsh, Kovacs, Gregory T. A.

“…We report on the feasibility of standing ballistocardiogram (BCG) measurements recorded in a microgravity environment. A clinically-tested BCG monitoring scale…”
Get full text

Standing ballistocardiography measurements in microgravity by McCall, Corey, Stuart, Zachary, Wiard, Richard M., Inan, Omer T., Giovangrandi, Laurent, Cuttino, Charles Marsh, Kovacs, Gregory T. A.

“…The performance and practicality of a scale-based ballistocardiogram (BCG) system for hemodynamic monitoring of astronauts on extended space missions was…”
Get full text

Non-invasive measurement of Valsalva-induced hemodynamic changes on a bathroom scale Ballistocardiograph by Inan, Omer T., Etemadi, Mozziyar, Wiard, Richard M., Kovacs, Gregory T. A., Giovangrandi, Laurent

“…Unobtrusive and compact methods for monitoring time varying hemodynamic trends can allow physicians to monitor heart failure of outpatients at home. In this…”
Get full text

Novel methods for estimating the ballistocardiogram signal using a simultaneously acquired electrocardiogram by Inan, O.T., Etemadi, M., Wiard, R.M., Kovacs, G.T.A., Giovangrandi, L.

“…The ballistocardiogram (BCG) signal represents the movements of the body in response to cardiac ejection of blood. Recently, many groups have developed…”
Get full text

Non-invasive assessment of cardiac contractility on a weighing scale by Etemadi, M., Inan, O.T., Wiard, R.M., Kovacs, G.T.A., Giovangrandi, L.

“…Myocardial contractility, the intrinsic ability of the heart muscle to produce force, has been difficult to quantify non-invasively. Pre-ejection-period (PEP),…”
Get full text

Estimation of central aortic forces in the ballistocardiogram under rest and exercise conditions by Wiard, R.M., Hyun Jin Kim, Figueroa, C.A., Kovacs, G.T.A., Taylor, C.A., Giovangrandi, L.

“…The ballistocardiogram (BCG) signal represents the movements of the body in response to cardiac ejection of blood. The BCG signal can change considerably under…”
Get full text

Evaluating the Foot Electromyogram Signal as a Noise Reference for a Bathroom Scale Ballistocardiogram Recorder by Inan, O.T., Etemadi, M., Wiard, R.M., Giovangrandi, L., Kovacs, G.

“…A bathroom scale ballistocardiogram (BCG) recorder has been developed in our group as a potential home monitor for heart failure outpatients. While the signal…”
Get full text