Glomerular filtration rate (called glomerular filtration rate, GFR) - the amount of plasma filtered per unit time by the so-called glomeruli. primary urine. Is usually given in ml / min. GFR allows the assessment of renal function.                  

Calculator on the basis of these data calculates how much blood you can lose up to keeping you alive.          

Associated to the data calculated how much blood supply to the brain in one minute.                  

Calculator to the data calculated oxygenation index and provides the basis for health information. Oxygenation index (PaO2/FiO2) - the ratio of partial pressure of oxygen in arterial blood and the content of inspired oxygen (oxygen content represented in decimal form). Used in the assessment of respiratory function of the human body.