A.42 Comparison of cardiac output measurement techniques: Doppler versus Fick method

Equipment review: New techniques for cardiac output measurement – oesophageal Doppler, Fick principle using carbon dioxide, and pulse contour analysis

Measuring cardiac output is of paramount importance in the management of critically ill patients in the intensive care unit and of 'high risk' surgical patients in the operating room. Alternatives to thermodilution are now available and are gaining acceptance among practitioners who have been trained almost exclusively in the use of the pulmonary artery catheter. The present review focuses on t...

Comparison of bedside measurement of cardiac output with the thermodilution method and the Fick method in mechanically ventilated patients

INTRODUCTION Bedside cardiac output determination is a common preoccupation in the critically ill. All available methods have drawbacks. We wished to re-examine the agreement between cardiac output determined using the thermodilution method (QTTHERM) and cardiac output determined using the metabolic (Fick) method (QTFICK) in patients with extremely severe states, all the more so in the context ...

Cardiac output measurement using a modified carbon dioxide Fick method: comparison analysis with pulmonary artery catheter method and pulse induced contour cardiac output method.

OBJECTIVES In the present study, cardiac output in mechanically ventilated patients were determined using three methods including modified CO2-Fick (mCO2F), pulmonary artery catheter (PAC), and pulse induced contour cardiac output (PiCCO) methods and the results were compared to assess the effectiveness of mCO2F method in measuring the cardiac output. METHOD Mechanically ventilated and hemody...

Measurement of Cardiac Output Using the Photoelectric Earpiece: a Comparison with Simultaneous Fick Measurements.

• Since the early studies by Hamilton, Werko, and Doyle, and their colleagues, a variety of indicator dilution techniques have been developed for measuring the cardiac output in man. The most widely accepted have been those requiring the use of the continuously recording cuvette densitometer." Numerous studies have appeared to demonstrate close correlation of values by the Hamilton and by the s...

Fiberoptic-dye dilution method for measurement of cardiac output. Comparison with the direct Fick and the angiocardiographic methods.