2 to be used and straightforward to estimate the shunt portion. The estimated shunt fraction refers to the number of oxygen not being absorbed to the circulation. In regular physiology, gasoline exchange (oxygen/carbon dioxide) takes place at the extent from the alveoli inside the lungs. Quantity assurance an additional parameter http://rafaelziknr.dsiblogger.com/12980042/5-simple-techniques-for-positive-pressure-ventilation-systems