#$%^&*AU2005200075B220120119.pdf#####ABSTRACT A method of determining the cardiac output of an infant, the method comprising the steps of: (a) measuring the infants weight (b) measuring the velocity time integral and stroke distance of blood flowing from the heart of the patient and (c) utilising the two 5 measurement in step (a) and step (b) to determine the cardiac output of the infant.6/6 20 Measure Infants Weight (wt) 21 Correlate Weight to cross- 23 sectional diameter (xsd) Use XSA to calculate area 24 (XSA) Use CW ouput, wt, HR vti to calculate AV diameter, PV 25 diameter and Cardiac Output Fig. 6