<prompt> Which of the following is category 3 in Maastricht classification of donation after cardiac death?Awaiting cardiac arrestBrought in deadUnsuccessful resuscitationCardiac arrest after brainstem death  <response>: Maastricht Classification for Donation after Circulatory Death DCD Donors Category Description DRACUIa 1 Dead on arrival at hospital 2 Resuscitation attempted without success 3 Awaiting cardiac arrest after withdrawal of suppo Most DCD donors from Category 3 4 Cardiac arrest while brain dead 5 Cardiac arrest Unsuccessful resuscitation in hospital Mn: DRACULa 