The best replacement for cardiac arrest is heart attack.

The best alternatives to cardiac arrest are rated as following:
★★★★★  heart attack
★★★  heart failure
★★★  myocardial infarction
★★★  stroke
★★  asystole
★★  respiratory arrest
★★  mi
★  heartless
★  ventricular fibrillation
★  cardiogenic shock
★  drowning
  massive heart attack
  cardiac arrest
  sudden cardiac arrest
  pea
  cardiopulmonary arrest

Your alternative for cardiac arrest is not listed? Suggest!
Speaking about cardiac arrest, one probably shouldn't forget about pea.

Other search terms related to cardiac arrest and their ratings are:
★★★★★ pea
★★★★★ rosc
★★★ ventricular fibrillation
★★ brain damage
★ hypothermia
You have in mind a companion for cardiac arrest and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of cardiac arrest in all years. Click on graph for more.
cardiac arrest
heart attack
heart failure