“…The Utstein standard for cardiac arrest and post resuscitation research includes a large number of variables, however data collection of many of these variables pose several challenges. [20][21][22] These challenges include collecting and managing the large number of data variables as well as the use of different nomenclature by different countries and health care systems. In addition, as treatment of cardiac arrest patients becomes more sophisticated, several important variables are missing, including those important in post resuscitation care.…”