Cardiac Arrest

Cardiac Arrest is a special perk in the Fallout: New Vegas add-on Old World Blues.

Obtaining
The Courier must convince their brain to return to their body or convince it to come back to The Sink. After, one can have their heart reinserted into their body. This perk replaces Heartless.

Effects
+50% bonus to poison resistance and healing items respectively, plus -25% to critical chance for robots against you.

Behind the scenes
Cardiac Arrest is the result of the heart failing to pump blood effectively enough to maintain body functions..

Bugs

 * This perk grants -50% critical chance from enemy robots, rather than the listed -25%.