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April 2018 Vol. 6 No.4

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Popescu L
Puschita M

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Merit Research Journal of Medicine and Medical Sciences (ISSN: 2354-323X) Vol. 6(4) pp. 138-146, April, 2018 

Copyright © 2018 Merit Research Journals

Original Research Article

A new approach in studying left ventricular diastole and systol


Dr. Lucian Popescu1*, Dr. Adina Pop Moldovan2 and Prof. Dr. Maria Puschita2


1Lector. Univ. Drd. West University Vasile Goldis from Arad, discipline Biophysics and Medical Physics, Revolutiei 94, Arad, Romania
2Lector. Dr., West University Vasile Goldis from Arad, discipline Cardiology, Revolutiei 94, Arad, Ro-mania
3Prof. dr., West University Vasile Gol-dis from Arad, discipline Internal Medecine 1, Revolutiei 94, Arad, Romania

*Corresponding Author’s E-mail: luchian.popescu@gmail.com

Accepted April 09, 2018




This study proposes a new vision in characterizing the ventricular diastole and systole. The approach is made starting from energetic consideration, by applying the energy conservation low for the blood entering from left atrium in to left ventricle during diastole period. We had proposed two brand new coefficients to describe the cardiac cycle and we had verified if the coefficients are correlated with classically used parameters. We consider that the energetic approach take into consideration the whole mechanical movement that is happening inside the heart and can offer a very synthetic and scientific solid view about the cardiac cycle. The new coefficients are simply to be calculated and as you will see from our research the correlation with other classically used parameters is obvious.

Keywords: Ecocardiography, Elasticity coefficient, Mechanical impedance, Myocardium elasticity, Left ventricular diastole, Blood speed waves






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