The Mechanism of Splitting of the Second Heart Sound in Atrial Septal Defect
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چکیده
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Second-degree Atrioventricular (Mobitz 1) Heart Block in a 52-hour-old Newborn: A Very Rare Case Report
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P ROPER elinical anialysis of the secondll heart sound has oily recently been emphasized.1 An ullderstalldill(r of the normal second heart sound has increased the diagnoslie usefulness of its variations in congenital and acquired heart disease. In atrial septal (lefeet, as emphasized by Wood,( the aortic aid pulmnonic coniponelits of the second heart sou]d(l are not o0ly widely separated, but t...
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Simultaneous recording of intracardiac pressures and heart sounds has been made possible by the introduction of a high-frequency micromanometer developed by Soulie et al. (1954). Using this technique Soulie et al. (1961) have reported their findings in congenital and acquired heart disease. Analysing the second heart sound in recordings from the pulmonary artery and right ventricle in 11 cases ...
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15. Castle RF: Variables affecting the splitting of the second heart sound in atrial septal defect. Am Heart J 73: 468, 1967 16. Morrow AG, Sanders RJ, Braunwald E: The nitrous oxide test An improved method for the detection of left to right shunts. Circulation 17: 284, 1958 17. Curtiss El, Reddy PS, O'Toole JD, Shaver JA: Alterations of right ventricular systolic time intervals by chronic pres...
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