Comparison of Central and Peripheral Injection Sites in the Estimation of Cardiac Output by Dye Dilution Curves
نویسندگان
چکیده
منابع مشابه
Comparison of central and peripheral injection sites in the estimation of cardiac output by dye dilution curves.
• In the measurement of cardiac output by indicator dilution methods, the indicator may be introduced either centrally or peripherally. It is clear that use of a peripheral vein, particularly in large animals such as man, may result in two major sources of error, a) Indicator may be trapped between the injection site and the central circulation resulting in a small primary curve and an overesti...
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The pattern of ldye dilution curves and the cardiac output was studied in 29 healthy newborn infants during the first 26 hours of life by the method of Wood and his associates. Thirty-six per cent of all infants studied had curves of normal contour which occurred mostly in infants older than 15 hours. Infants younger than 15 hours tended to have curves of abnormal shape. These were either di-ph...
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پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...
15 صفحه اولOn-line computation of cardiac output from dye dilution curves.
• Calculation of cardiac output from dye dilution curves as described by Hamilton has been well verified.' 3 The technique of calculating the cardiac output with the use of a planimeter or replotting on log paper is tedious and-often inexact. Furthermore, the necessary long delay between the dye injection and the availability of the result has limited the use of this technique in medical resear...
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ژورنال
عنوان ژورنال: Circulation Research
سال: 1963
ISSN: 0009-7330,1524-4571
DOI: 10.1161/01.res.12.3.317