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High Definition Impedance CardioGraphy

Deltex Medical presents High Definition Impedance CardioGraphy (HD-ICG) the non-invasive cardiac output and fluid status monitoring system:


  • Non-invasive
  • Easy to use
  • Cost Effective


The ODM+ system already delivers true flow-based measurement of Stroke Volume and Cardiac Output through oesophageal Doppler and now includes non-invasive HD-ICG. Both systems measure blood flow centrally to avoid some of the limitations associated with peripheral arterial pressure-based technologies.


HD-ICG is suitable for a wide range of clinical applications:

  • Awake surgery
  • Pre/Postoperative monitoring
  • Intensive Care
  • Emergency sugery
  • Ward

HD-ICG provides continuous, accurate and sensitive measurements of cardiac output and other haemodynamic parameters. HD-ICG disposable electrodes are placed on the neck and chest, the electrodes transmit and detect electrical and impedance changes in the thorax. After stabilising, using HD-Z signal filter technology, these electrical currents are then utilised to measure and calculate haemodynamic parameters, including:

  • Stroke Volume/Stroke Volume Index
  • Cardiac Output/Cardiac Index
  • Heart Rate
  • Contractility
  • Ventricular Ejection Time, corrected for heart rate (VETc)

HD-ICG Brochure

HD-ICG Technical Information