<prompt> Which of the following is risk factor for abdominal aoic aneurysm rupture ?Ischeamic hea disease and size 4.5 cmIscheamic hea disease and size 5.5 cmAge 65 and size 4.5 cmAge 65 and size 5.5 cm  <response>: Surgery is indicated when size of AAA 5.5 cm After rupture, Moality rate of emergent operation is 45-50 Most serious gastrointestinal complication is ischaemia of the left colon and rectum. Post operative hypotension and hemodynamic instability are contributory factors Occasionally, microembolization cam occur, resulting in small patchy areas of ischaemia, usually on the plantar aspect of the foot, referred to as trash foot Ref: Harrisons 19th edition Pgno : 1640 