Anaesthesia and intensive care
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Anaesth Intensive Care · Aug 2003
Clinical evaluation of the HemoSonic monitor in cardiac surgical patients in the ICU.
The HemoSonic monitor (HemoSonic 100, Arrow International, Reading, PA, U. S. A.) is a minimally invasive device to determine cardiac output by means of M-mode and pulsed Doppler ultrasound. ⋯ It appears to be less suitable for use in patients with a high cardiac output state. The oesophageal probe is moderately difficult for patients to tolerate and is only appropriate for use in sedated patients. The accuracy of the device is somewhat operator-dependent.