2,824 research outputs found

    The atherosclerosis of the sinus node artery is associated with an increased history of supra-ventricular arrhythmias: A retrospective study on 541 standard coronary angiograms

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    View the peer-reviewed version (peerj.com/articles/1156), which is the preferred citable publication unless you specifically need to cite this preprint. Ciulla MM, Astuti M, Carugo S. 2015. The atherosclerosis of the sinus node artery is associated with an increased history of supra-ventricular arrhythmias: a retrospective study on 541 standard coronary angiograms. PeerJ 3:e1156 https://doi.org/10.7717/peerj.1156 The atherosclerosis of the sinus node artery is associated with an increased history of supra-ventricular arrhythmias: A retrospective study on 541 standard coronary angiograms Michele M Ciulla, Matteo Astuti, Stefano Carugo BACKGROUND: The ischemic damage of the sinus node (SN) is a well known cause o

    Who is the author of the 1876 Stefano manuscript?

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    For over one hundred years the Stefano manuscript was a private document in the possession of the Baccich family and descendants. It told a story of the 1875 Stefano shipwreck as narrated by the shipwreck survivor and the founding family patriarch Miho Baccich. In these circumstances the question of authorship of the manuscript was immaterial and did not arise as an issue. However, with the publication of the manuscript the author‟s name, or names, need to be formally attributed to it. It turns out that this is not such a clear-cut matter. As we shall see, all informed sources attributed the authorship, and the ownership, of the manuscript to Miho Baccich. But the manuscript itself was written by Canon Stjepan Skurla – a priest from Miho‟s hometown of Dubrovnik. The question then arises: should Skurla also be considered as an author of the manuscript, or, even as the sole author (as some would have it)

    Targeting subclinical ventricular dysfunction in atrial fibrillation: What can myocardial work add?

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    : Atrial fibrillation (AF) could impact on left ventricular function leading to a sublinical myocardial dysfunction, as identified by myocardial work parameters in a population-based cohort of AF patients compared with healthy individuals; factors associated with these parameters are also shown. SBP: systolic blood pressure; LAVI: left atrial volume index

    Electrochemical behaviour of nickel–aluminium bronze in chloride media: influence of pH and benzotriazole

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    The corrosion properties of the nickel–aluminium bronze (NAB) in aqueous chloride media were investigated at different pHs by using linear potential sweep voltammetry and scanning electron microscopy. The NAB electrochemical behaviour was dependent on the solution pH, due to the different stabilities of the phases present within its microstructure. In particular, at solution pHs higher than 4.0 the NAB oxidation was driven by the dissolution of the copper-rich ?-phase, whereas at pH values lower than 4.0 its anodic behaviour was controlled by the oxidation of the iron-, nickel- and aluminium-rich ?I-, ?II- and ?IV-phases. Furthermore, a kinetic model for the NAB oxidation, in neutral chloride solutions, was developed on the basis of the observed behaviour, i.e., order of reactions of NAB with respect to protons and chloride. Finally, considering the high affinity of benzotriazole for copper, the corrosion performance of NAB was studied in the presence of the inhibitor in neutral (pH of 6.2) and acidic (pH of 3.5) chloride solutions, where NAB exhibited different anodic behaviours

    Fashion Culture: Power In Fashion with Stefano Tonchi and Grazia d'Annunzio

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    Stefano Tonchi, global chief creative officer for L’Officiel Group, and Grazia d’Annunzio, former deputy director of Vogue Italia, discuss the power of military uniforms and their influence on high fashion. Tonchi is co-author of the book "Uniform: Order and Disorder.
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