LiDCO Group Plc

("LiDCO" or the "Company")

Software upgrade for the LiDCOrapid

LiDCO Group Plc (AIM: LID), the cardiovascular monitoring company, is pleased to announce the release of the first software upgrade for the LiDCOrapid Monitor, the Company's surgery product. Improved features include longer display periods for the fluid response monitoring parameters and the addition of history and charting screens. This upgrade is particularly significant because it reflects feedback received since the launch of the LiDCOrapid Monitor in April 2008. 

Since launch of the LiDCOrapid, customer feedback has been exceptional regarding its ease of setup, use and utility. In line with LiDCO's strategy of continuous product development, one of the aims for 2009 included evolving and improving the LiDCOrapid user interface. A follow-on software release containing additional user interface improvements has now been launched, and can be implemented on all existing and new monitors with the use of a USB key. Important new features include:

The new features fit in seamlessly with the current user interface, further enhancing usability without changing the core algorithms for determination of stroke volume and cardiac output.

Dr Terry O'Brien, CEO LiDCO Group commented: "We are pleased to launch these significant enhancements of the LiDCOrapid to our distributors and hospital customers. All of these added features are based on implementing customer comments received over the past year. The feedback on the new software has been very positive, with customers welcoming the benefits of the product's additional features whilst maintaining its ease of use."

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About LiDCO Group Plc

LiDCO is a leading supplier of minimally invasive hemodynamic monitoring equipment and disposables. These are used primarily for the management of hospital patients requiring critical care or at major cardiovascular risk. LiDCO's computer-based technology significantly reduces the complications (particularly infections) and costs associated with major surgery. The technology was invented in the Department of Applied Physiology based at St Thomas' Hospital, London. LiDCO is based in the UK and its shares are traded on AIM. For more information please see www.lidco.com.

The Company's manufacturing facility is in Hoxton, London and its current products are:

* LiDCOplus and PulseCO monitors: these computer-based platforms are used in the Intensive Care Unit for real-time continuous display of hemodynamic parameters including cardiac output, oxygen delivery and fluid volume (PPV% and SVV%)

* LiDCO disposables: used in conjunction with the LiDCOplus Monitor for accurate measurement of cardiac output in a minimally invasive manner

* LiDCOrapid Monitor: our new cardiac output monitor designed specifically for use in the Operating Theatre for fluid and drug management during surgery

* LiDCOview: an easy-to-use graphical display of historical LiDCOplus hemodynamic data. Both clinical researchers and routine users can view beat-to-beat hemodynamic data collected with the LiDCOplus. 

* LiDCOlive: a software product in development for the remote display of hemodynamic monitoring parameters derived through use of the LiDCOplus or LiDCOrapid monitors

Distribution Network: The Company sells direct to customers in the UK and USA, and in 47 countries through a worldwide network of speciality critical care and anesthesia distributors.