Transthoracic echocardiogram

Applied sciences
Health sciences
Cardiologie
Maladie cardiovasculaire

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Publications associées (27)

The "systolic volume balance" method for the noninvasive estimation of cardiac output based on pressure wave analysis

Nikolaos Stergiopoulos, Orestis Vardoulis

Papaioannou TG, Vardoulis O, Stergiopulos N. The "systolic volume balance" method for the noninvasive estimation of cardiac output based on pressure wave analysis. Am J Physiol Heart Circ Physiol 302: H2064-H2073, 2012. First published March 16, 2012; doi: ...

2012

Characterization of Atrial Repolarization Alternans and Activation Time Kinetics based on Intracardiac Electrograms

Florian Jousset

Interdisciplinary collaboration between physicians and engineers is now widespread in fundamental and clinical studies, due to the increasing complexity of the physiological problems tackled, and the development of novel measurement devices and data analys ...

EPFL2011

Novel complexity measurements in the ECG differentiate persistent from permanent atrial fibrillation

Jean-Marc Vesin, Laurent Renaud Uldry, Jérôme Sébastien Van Zaen, Lukas Kappenberger

Purpose: Distinguishing persistent from permanent atrial fibrillation (AF) in a reliable way would improve AF patient management, as cardioversion options could be considered appropriately. In this study, complexity measures based on the combined analysis ...

2011

Numerical validation of a new method to assess aortic pulse wave velocity from a single recording of a brachial artery waveform with an occluding cuff

Nikolaos Stergiopoulos, Philippe Reymond, Bram Trachet, Patrick Segers

Recently a new method has been proposed as a tool to measure arterial pulse wave velocity (PWV), a measure of the stiffness of the large arteries and an emerging parameter used as indicator of clinical cardiovascular risk. The method is based on measuremen ...

Springer Verlag2010

Data processing techniques for the characterization of atrial fibrillation

Mathieu Lemay

Atrial fibrillation is the most common sustained cardiac rhythm disturbance, increasing in prevalence with age. During the past 20 years, there has been a 66% increase in hospital admissions related to atrial fibrillation. Neither the natural history of at ...

EPFL2008

Effects of an aging vascular model on healthy and diseased hearts

Nikolaos Stergiopoulos, Rafaela Fernandes Da Silva, David Jegger, Patrick Segers

The vitamin D(3) and nicotine (VDN) model is a model of isolated systolic hypertension (ISH) due to arterial calcification raising arterial stiffness and vascular impedance similar to an aged and stiffened arterial tree. We therefore analyzed the impact of ...

2007

Myocardial perfusion assessment by use of system identification method in a one-compartment model

Philippe Thévenaz, Michel Kocher

Cardiovascular magnetic resonance has been shown to provide high data quality for myocardial perfusion assessment However, to analyze the perfusion data, some signal processing and modeling is needed to correct for motion related artifacts and limited spat ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007

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