1. Common causes of Perioperative Cardiac arrest Sepsis and multiple organ failure Trauma, motor vehicle, gun shot wound, and stabbing Exsanguination, hemorrhage related to primary disease Unable to wean from cardiopulmonary bypass Ruptured aneurysm; abdominal or thoracic Technical surgical complication Complications associated with cardiac surgery Complications associated with congenital heart defect Perioperative cardiac arrest: a study of 53 718 anaesthetics over 9 yr from a Brazilian teaching hospital L. G. Braz, et al. British Journal of Anaesthesia 96 (5): 569–75 (2006)

2. Common causes of Perioperative Cardiac arrest Complications associated with radical cancer surgery Pulmonary embolus Perioperative myocardial infarction Perioperative cardiac arrest: a study of 53 718 anaesthetics over 9 yr from a Brazilian teaching hospital L. G. Braz, et al. British Journal of Anaesthesia 96 (5): 569–75 (2006)

3. Causes of Anesthesia related Cardiac arrest Respiratory causes- loss of airway, unable to intubate and ventilate Medication related- cardiovascular depression Perioperative cardiac arrest: a study of 53 718 anaesthetics over 9 yr from a Brazilian teaching hospital L. G. Braz, et al. British Journal of Anaesthesia 96 (5): 569–75 (2006)

4. Probable Causes of Perioperative Cardiac arrest (in non-cardiac surgery) Perioperative cardiac events in patients undergoing noncardiac surgery: a review of the magnitude of the problem, the pathophysiology of the events and methods to estimate and communicate risk P.J. Devereaux, et al. JAMC 13 SEPT. 2005; 173 (

5. Perioperative cardiac arrests. Juraj Sprung, et al. Signa Vitae, 2008, 3(2): 8-12