What is the Oxygen Fick's Method of Cardiac output estimation | 1st Year MBBS | Guyton | Physiology
Channel: Cool Concepts in Physiology, Anatomy (& Life)
Date: 2023-06-13

In applying this Fick procedure for measuring cardiac output in the human being:
 Mixed venous blood is usually obtained through a catheter inserted  up the brachial vein of the forearm, through the subclavian vein, down to the right atrium, and, finally, into the right ventricle or pulmonary artery. 
 And systemic arterial blood can then be obtained from any systemic artery in the body. 
 The rate of oxygen absorption by the lungs is measured by the rate of disappearance of oxygen from the respired air, using any type of oxygen meter.

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