GE Healthcare

Using automated ultrasound tools in emergency medicine

Advanced hemodynamic assessments in the emergency department

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Overview

  • Point-of-care ultrasound is a valuable imaging modality for patient care in the ED
  • Automated tools help simplify and accelerate hemodynamic assessment
  • Timely and effective ultrasound scanning helps detect or rule out a varietyof conditions
  • Ultrasound imaging in the ED supports sound decision-making on patient management
Using automated ultrasound tools in emergency medicine
In complex cases, including cardiac patients, automated tools on the Venue™ system enable clinicians to make calculations quickly that would otherwise take a lot of time to perform manually. For example, Auto VTI (velocity time interval) is a very efficient way to calculate cardiac output. The tool quickly averages several cardiac cycles to enable accurate cardiac output assessment. Without that capability, the calculation would require multiple steps and take exponentially longer. A VTI trending feature makes it easy to review previous measurements, providing quick insight to patient response to selected therapy.

Another useful tool is Auto IVC, which measures the collapsibility of the inferior vena cava to assess for adequate vascular preload. Auto IVC is especially valuable in mechanically ventilated patients, where small changes in diameter can be clinically relevant. The Venue system includes a setting for ventilated patients; it helps users easily identify a small distensibility index that otherwise could have been quantified only by recording an ultrasound video clip and making multiple measurements. The Auto IVC tool helps maintain a consistent area of interest on the inferior vena cava as it’s measured throughout the breathing cycle. This helps to increase the accuracy of the caval index calculation.

Two recent case studies serve to illustrate the value of point-of-care ultrasound in emergency care and the advantages of the automated tools.

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