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Showing 1 to 16 of 16 for “"Myocardial contractility"”.

  1. Peak Power As An Index Of Myocardial Contractility.

    Boone, Marshall Nolan

    uab Repository record

  2. Actions of thyroid hormone on myocardial contractility in the intact animal

    Lubbe, Wilhelm FrederickDepartment of Public Health and Family Medicine1969

    The central role of the mammalian heart in the circulation was recognised by Nei Chung when he wrote in his Third Book of the Yellow Emperor's Classic of Internal Medicine (2698 - 2598 B.C.): Treatise on the Five Viscera in Relation their part in Perfecting Life, "The Heart is in accord with the …

    cape-town Repository record

  3. Myocardial Contractility in Fetal Sheep Exposed to Long-term Hypoxia at High Altitude : Activator Calcium and Beta-adrenergic Receptor Function

    Browne, Vaughn A.

    <p>We studied myocardial contractility in fetal sheep exposed to ~112 days of hypoxia at high-altitude (3,820 m). We recorded left and right ventricular wet weight, and measured the inotropic responses to extracellular calcium [Ca<sup>2+</sup>]<sub>o</sub> (0.2-10 mM), ryanodine …

    loma-linda Repository record

  4. Myocardial Contractility in Experimental Hemorrhagic Shock: An Evaluationof the Role of Blood Replacement, L-Norepinephrine, Tris-(hydroxymethyl) Aminomethane, and Oxygen in the Maintenance of Myocardial Homeostasis

    Mcintosh, Charles LeonardUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-09T23:33:52Z (GMT). No. of bitstreams: 1 6511831.pdf: 5725506 bytes, checksum: b095d20b1116335fd08b1ebfe7a1c976 (MD5) Previous issue date: 1965

    uiuc Repository record

  5. Phosphine-Mediated Ligations: A Powerful and Versatile Method for the Selective Chemical Detection of Nitroxyl

    Reisz, Julie AnnWake Forest University2011

    … of NO reduction and protonation, increases myocardial contractility and elicits vasodilation, likely through modifications of select thiol proteins, a physiological profile distinct from NO.

    wfu Repository record

  6. Reproducibility and sensitivity of Doppler echocardiographic indices of left ventricular function during exercise

    Moore, Alan D.Virginia Polytechnic Institute and State University1987

    … and 2) to determine if induced changes in myocardial contractility would be reflected by changes in the Doppler indices. The Doppler indices of LVF were the peak acceleration of ascending aortic blood (pkA), peak Velocity of ascending aortic blood (pkV), and the integral of the …

    vt Repository record

  7. Papildomas adenozino vaidmuo mažinant infarkto dydį ir išsaugant kairiojo skilvelio funkciją pacientams, sergantiems ūminiu miokardo infarktu /

    Sadauskienė, Eglė,Institutional Repository of Vilnius University2011

    … left ventricular function in patients with acute myocardial infarction. During the study we examined patients with the left ventricular anterior wall acute myocardial infarction (AMI), when PCI and stenting were used for infarct-related artery (IRA) re-opening. Study evaluates influence of …

    vilnius Repository record

  8. Cocaine Induces Apoptosis in Coronary Artery Endothelial Cells: Cellular and Molecular Mechanisms

    He, Jiale

    … cardiovascular consequences, such as depressed myocardial contractility, elevated blood pressure, coronary artery vasoconstriction, and myocardial ischemia and infarction. The multifactorial effects of cocaine often contribute to its sympathomimetic function. However, the direct cytotoxic …

    loma-linda Repository record

  9. Zweidimensionale Strain-Echokardiographie zur Analyse der regionalen linksventrikulären Funktion bei Aortenklappenvitien vor und nach operativem Aortenklappenersatz

    Kramann, RafaelPublikationsserver der RWTH Aachen University2008

    … and strain rate were defined as parameters of myocardial deformation for each segment in a 16 segment model of the left ventricle.Results: Preoperatively segmental strain and strain rate data were not significantly different between the three aortic pathologies. Immediately postoperatively …

    aachen Repository record

  10. Thick filament regulation of myocardial contraction

    Korte, F. Steven, 1975-University of Missouri--Columbia2006

    … cardiac myocytes, implying that MyBP-C regulates myocardial contractility by limiting crossbridge cycling. We also examined the effects of SL on mechanical properties in rat skinned cardiac myocytes containing either [alpha]-MyHC or [beta]-MyHC. Peak absolute and normalized loaded shortening …

    missouri Repository record

  11. THE EFFECT OF THYROID HORMONES ON THE FORCE OF CONTRACTION OF LEFT ATRIA OF GUINEA-PIGS IN UITRO

    YUSOFF, ZURAIDAH NOHDDe Montfort University1987

    … increased and carbimazole decreased the contractility of the guinea-pig myo- cardium. Both the stimulatory action and the adverse effects of thyroxine were dose- and duration dependent whereas the inhibitory effect of carbimazole was only slightly dose-dependent. Carbimazole added in …

    de-montfort Repository record

  12. The utility of bioimpedance cardiography in assessing the influence of obstructive sleep apnea hypopnea syndrome on cardiac function

    Aron, AdrianVirginia Tech2010

    … (CO), heart rate (HR), stroke volume (SV), myocardial contractility index (MCI) and systemic vascular resistance (SVR) were similar during 15 sec and 30 sec MM in all three days. During 30 sec MM, these changes in cardiac function were pronounced in comparison to the minimal variations …

    vt Repository record

  13. Regulation of cAMP Signalling to Phospholemman by Phosphodiesterases

    Mak, JasonKing's College London2013

    … ion gradients and the indirect control of myocardial contractility.<br/>The work described in this thesis investigated whether individual cardiac PDE subtype(s) are responsible for modulating cAMP signalling to PLM and the NKA in adult rat ventricular myocytes (ARVMs). The use of selective …

    kings Repository record

  14. Endogenous cardioactive substances in blood: effects on the isolated guinea-pig atria

    Hussain, MunirLancashire Polytechnic1991

    … the role of blood-borne substances affecting myocardial contractility. Isolated left and right guinea-pig au -ia were used as bioassay for the detection of endogenous cardiotonic substances in bovine serum. Results show that serum that had been buffer exchanged to Krebs-Henseleit by dialysis …

    cent-lancashire Repository record

  15. Performance characteristics of the left ventricle during and following induced extrasystoles

    Sabar, Ergun Fikret2018

    <p>During the last two decades, since the heart has become a direct target for various surgical procedures for the correction of several abnormalities, interest in understanding its basic regulatory mechanisms and performance has increased considerably. Many experiments have been devised to study …

    u-pacific Repository record

  16. New contributions on motion estimation through optical flow techniques applied to cardiac magnetic resonance imaging = Nuevas contribuciones en estimación de movimiento mediante técnicas de flujo óptico aplicado a imagen de resonancia magnética cardiaca

    Carranza Herrezuelo, NoemíTelecomunicacion2009

    … image analysis. Non-invasive estimation of myocardial contractility is of great interest in order to detect regions with abnormal contraction or suspicion of failing arteries, allowing to make a better diagnosis. Among all the available imaging methods, Cardiac Magnetic Resonance (CMR) is …

    upm Repository record