Cardiac Arrest!

Cardiac Arrest! is a challenge and achievement/trophy for the Fallout: New Vegas add-on Old World Blues.

Requirements
The Courier must get the Stealth Suit Mk II in the X-13 research facility, which is a part of a side quest X-13: Attack of the Infiltrator!.

Effects
Grants 500 XP and the Cardiac Arrest! achievement/trophy upon completion.