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Estimation of Cardiac Output.
Member rating: No Rating | Words: | Submitted: Mon Jun 19 2006
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Exercise Physiology Estimation of Cardiac Output Introduction To investigate the measurements of cardiac output by a non invasive indirect Flick method and to examine the effects of posture on cardiac output. Cardiac output refers to the amount of blood pumped by the heart, usually during a 1 minute period. The maximal value for cardiac output reflects the functional capacity of the circulation to meet the demands of physical activity. (Exercise Physiology, William Mcardle, Frank I. Katch, Victor L. Katch 1996) Output from the heart , as with any pump depends on its rate of pumping (Heart rate) and the quanity of blood ejected with each stroke (stroke volume). (Exercise Physiology, William Mcardle, Frank I. Katch, Victor L. Katch 1996) The cardiac output is worked out by the following equation:- Cardiac Output =Heart Rate X Stroke Volume. The heart is composed mainly of cardiac muscle: a specialised tissue that can contract automatically,...
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