(b)(4).The device was not returned to physio-control for evaluation.Physio contacted the customer, but they would not provide any additional information, nor was the device returned for evaluation.Physio performed a clinical review on the information that was provided with the following results: a cardiac arrest can be caused by internal bleeding especially if the patient has been exposed to trauma.Both manual and mechanical cpr can cause internal bleeding (see footnotes 1, 2, 3 and 4).The customer would not provide any additional information about the reported event, hence it is not possible to draw any conclusions based on facts.It is not possible to determine if the complications were related to the cardiac arrest, caused by trauma or the provided cpr.With the information provided it cannot be excluded that lucas compressions may have contributed to the reported internal bleeding.Footnote 1: lucas 3, chest compressions system - instructions for use, 100925-01 rev b, valid from co j3022, 2016 jolife ab.Footnote 2: 2005 international consensus on cardiopulmonary resuscitation and emergency cardiovascular care science with treatment recommendations.Part 2: adult basic life support.Resuscitation, 2005.67(2-3): p.187-201.Footnote 3: paradis, n., et al., cardiac arrest, chapter: manual cardiopulmonary techniques.Second edition ed.2007, cambridge: cambridge university press.576-577.Footnote 4: smekal et al, cpr-related injuries after manual or mechanical chest compressions with the lucas tm device: a multi-center study of victims after unsuccessful resuscitation, resuscitation 85 (2014) 1708-1712.(b)(4).
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