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Original Article
The Relationship between Change of Cardiac Function and Systemic Oxygen Consumption according to the Dose of Dopamine in the Rabbit
Hee Ju Park, Seok Ho Yoon, Bong Seok Choi, Jung Hwoi Cho, Ku Tae Kim, Sun Young K, Sang Ook Nam, Bok Luel Lee
Clin Exp Pediatr. 2001;44(2):177-184.   Published online February 15, 2001
Purpose : We'd like to know the relationship between the changes of cardiac function and systemic O2 consumption according to the increasing dose of dopamine. Methods : Ten rabbits(from 2kg to 2.8kg) were used in this experiment. Anesthesia was induced with intraperitoneal pentobarbital sodium(35mg/kg) and tracheostomy was done. It was maintained by ventilation with a mixture of 1-3% halothane and 67-69%...
Estimating Fetal Cardiac Output by Doppler Echocardiography
Young Mi Hong
Clin Exp Pediatr. 1999;42(2):203-210.   Published online February 15, 1999
Purpose : Doppler echocardiography has been used to identify fetal cardiac anatomy and hemodynamics. It can estimate flow velocity, volume, and cardiac output. The purposes of this study were to estimate right and left ventricular stroke volume and cardiac output in fetus, and to see if there were any changes of right and left ventricular parameter with fetal growth. Methods :...
Comparison of Left and Right Ventricular Volume and Cardiac Output by MRI and Echocardiography
Young Mi Hong
Clin Exp Pediatr. 1996;39(7):962-969.   Published online July 15, 1996
Purpose : Ventricular volume and cardiac output are very important to evaluate cardiac fuction. Cine MRI has been found to a feasible technique in evaluating cardiac anatomy and cardiovascular function in a variety of cardiac disease. Measurement of left ventricular volume by cine MRI was closely correlated with the result by echocardiography or cine angiography. The purpose of this study is to compare the...
Assessment of Cardiac Output by Doppler Ultrasound Technique Alone.
Young Ho Ahn, Sung Min Choi, Nam Geun Heo, Sang Bum Lee
Clin Exp Pediatr. 1990;33(8):1074-1080.   Published online August 31, 1990
The normal range of ascending aortic blood velocity was determined in 23 healthy children including 8 newborn infants and compared with 12 anemic children, using a pulsed Doppler ultrasound technique from suprasternal long axis view. Integration of the area under the velocity-time curve for each heart beat gave stroke distance, which, when multiplied by heart rate, gave minute distance. Stroke distance and minute distance are...
Left Ventricular Cardiac Output in Term Newborn Infants: Changes Associated with Closure of Ductus Arteriosus.
Ho Jin Oh, You In Park, Chang Sung Son, Young Chang Tokgo, Pyung Hwa Choe
Clin Exp Pediatr. 1989;32(8):1045-1050.   Published online August 31, 1989
We studied on leftventricular Cardiac output on the 25 normal newborn infants by using pulse Doppler echocardiography, before & after closure of ductus arteriosus, we also made closing time of ductus arteriousus by using pulsed & color Doppler echocardiography. The results were as follows; 1) The closure of ductus arteriosus was noted before 24hr of age in 3 cases (12%), 48hr of age in 19 cases...
Evaluation of Pulmonary and Systemic Blood Flow by Doppler Echocardiography in Pediatric Congenital Heart Disease.
Jae Hong Park, Chun Dong Kim, Jin Gon Jun
Clin Exp Pediatr. 1988;31(8):1014-1020.   Published online August 31, 1988
This study was designed to assess the accuracy of pulmonary (Qp) and systemic blood flow (Qs) and the ratio of pulmonary to systemic blood flow (Qp/Qs) measured by non-invasive range-gated pulsed Doppler echocardiography. Thirty five children with congenital heart disease, aged 4 months to 15 years, admitted for cardiac operation to this hospital, were studied. Cardiac outputs were measured by 2-dimensional range-gated pulsed Doppler...
Measurements of Blood Flow in the Ascending and Descending Aorta by Two-Dimensional doppler Echocardiography in School children.
Soon Ung Kang
Clin Exp Pediatr. 1987;30(9):972-981.   Published online September 30, 1987
Cardiac output measurements are among the most important physiologic indices of cardiovascular function. Flow computation is one of the major capabilities of Doppler echocardiography. The basic principle is that the average velocity of blood flow multiplied by the area through which the blood passes yields flow volume. The normal range of diameters and velocities in the ascending and descending aorta were established in 76...
Echocardiographic study of left ventricular function in infants and children.
Tai Sik Kim, Se Jin Chun, Chang Sung Son, Young Chang Tockgo, Pyung Hwa Choe
Clin Exp Pediatr. 1982;25(3):217-224.   Published online March 31, 1982
The Echocardiography is a useful non-invasive diagnostic tool for cardiac evaluation without known risk, and its application in the diagnosis and management of congenital heart disease in infants and children has become indispensable. Especially left ventricular echocardiogram appears to be a effective technique for determination of left ventricular dimensions and volume, other echocardiographic index of left ventricular function. There are...
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