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[Determination of cardiac output by the method of tetrapolar chest rheography and evaluation of its metrological possibilities]. 1977

Iu T Pushkar', and V M Bol'shov, and N A Elizarova, and V V Kukharchuk, and A A Tsvetkov

Tetrapolar chest rheography is an up-to-day, convenient and bloodless method of determining the cardiac stroke volume (CSV) and cardiac output (CO) in dynamic observations. The paper presents and analysis of the method and considers the possibilities and limits of its application in determining the stroke volume and cardiac output. Advantages of the Kubicek procedure as modified by the authors by comparison with other rheographic methods are shown, along with methodological procedures employed for dtermining the CSV and CO and a nomogram that significantly facilitates the calculation of the values under study is offered. Results of contrasting the cardiac ejection values in patients with congenital heart diseases and an increased pulmonary circulation as against those in patients with ischemic heart disease, obtained by means of tetrapolar chest rheography and direct Fick's method are cited. The possibility of applying tetrapolar chest rheography in assessing the effect operative treatment in patients with congenital cardiac defects and also when investigating compensatory reactions of the cardio-vascular system in patients with hypertensive disease in the course of the orthostatic and Valsalva tests is demonstrated.

UI MeSH Term Description Entries
D008954 Models, Biological Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. Biological Model,Biological Models,Model, Biological,Models, Biologic,Biologic Model,Biologic Models,Model, Biologic
D010992 Plethysmography, Impedance Recording changes in electrical impedance between electrodes placed on opposite sides of a part of the body, as a measure of volume changes in the path of the current. (Stedman, 25th ed) Rheography,Impedance Plethysmography,Impedance Plethysmographies,Plethysmographies, Impedance,Rheographies
D011652 Pulmonary Circulation The circulation of the BLOOD through the LUNGS. Pulmonary Blood Flow,Respiratory Circulation,Circulation, Pulmonary,Circulation, Respiratory,Blood Flow, Pulmonary,Flow, Pulmonary Blood,Pulmonary Blood Flows
D002302 Cardiac Output The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with STROKE VOLUME (volume per beat). Cardiac Outputs,Output, Cardiac,Outputs, Cardiac
D002306 Cardiac Volume The volume of the HEART, usually relating to the volume of BLOOD contained within it at various periods of the cardiac cycle. The amount of blood ejected from a ventricle at each beat is STROKE VOLUME. Heart Volume,Cardiac Volumes,Heart Volumes,Volume, Cardiac,Volume, Heart,Volumes, Cardiac,Volumes, Heart
D003327 Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. Coronary Heart Disease,Coronary Diseases,Coronary Heart Diseases,Disease, Coronary,Disease, Coronary Heart,Diseases, Coronary,Diseases, Coronary Heart,Heart Disease, Coronary,Heart Diseases, Coronary
D005069 Evaluation Studies as Topic Works about studies that determine the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. Critique,Evaluation Indexes,Evaluation Methodology,Evaluation Report,Evaluation Research,Methodology, Evaluation,Pre-Post Tests,Qualitative Evaluation,Quantitative Evaluation,Theoretical Effectiveness,Use-Effectiveness,Critiques,Effectiveness, Theoretical,Evaluation Methodologies,Evaluation Reports,Evaluation, Qualitative,Evaluation, Quantitative,Evaluations, Qualitative,Evaluations, Quantitative,Indexes, Evaluation,Methodologies, Evaluation,Pre Post Tests,Pre-Post Test,Qualitative Evaluations,Quantitative Evaluations,Report, Evaluation,Reports, Evaluation,Research, Evaluation,Test, Pre-Post,Tests, Pre-Post,Use Effectiveness
D005260 Female Females
D006344 Heart Septal Defects, Atrial Developmental abnormalities in any portion of the ATRIAL SEPTUM resulting in abnormal communications between the two upper chambers of the heart. Classification of atrial septal defects is based on location of the communication and types of incomplete fusion of atrial septa with the ENDOCARDIAL CUSHIONS in the fetal heart. They include ostium primum, ostium secundum, sinus venosus, and coronary sinus defects. Atrial Septal Defects,Ostium Primum Atrial Septal Defect,Persistent Ostium Primum,Atrial Septal Defect,Atrial Septal Defect Ostium Primum,Ostium Secundum Atrial Septal Defect,Defect, Atrial Septal,Ostium Primum, Persistent,Primum, Persistent Ostium,Septal Defect, Atrial
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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