الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Background: Cardiac output (CO) is the product of stroke volume and heart rate and it is the volume of blood pumped by each ventricle per minute. CO can in this way be controlled by modification in heart rate or rhythm, preload, contractility and afterload. In addition, it gives vital data about tissue perfusion and oxygen delivery. The aim of the work: To evaluate the role of the electrical cardiometry as a non-invasive measurement of the cardiac output in cases of different structural heart defects and to correlate these measurements with clinical evaluation and cardiac output calculation during cardiac catheterization in the same cases. Materials and Methods: prospective observational study on 30 patients with different congenital heart defects undergoing cardiac catheterization. Clinical evaluation, including history taking and examination. Assessment of cardiac output using electrical Cardiometry and cardiac catheterization. Results: The correlation between catheterization and electrical cardiometry results showed moderate correlation between two devices as regard cardiac output and cardiac index assessment. Conclusion: Electrical Cardiometry has a moderate correlation with cardiac catheterization as regard assessment of CO and CI with insignificant difference between EC measures 1 hour before and after cardiac catheterization. Electrical cardiometry as a measure for cardiac output is a safe, noninvasive, easily applied and reliable technique.