The most common causes for a weak or absent pulse are cardiac arrest and shock. Cardiac arrest occurs when someoneâs heart stops beating. Shock happens when someoneâs body begins to shut down. This causes a weak pulse, rapid heartbeat, shallow breathing, and unconsciousness.
She appeared in Prison Break in 2006 as Nika Volek, a role which she continued to portray in the show's second season. Also in 2006, Valance appeared in the National Lampoon comedy Pledge This!, alongside American socialite Paris Hilton.
Wettig also had the recurring role of CIA psychotherapist Dr. Judy Barnett on Alias (husband Olin was a producer and director on the series). Before joining Brothers & Sisters, she played the fictional Vice President Caroline Reynolds on the 2005 Fox television drama, Prison Break. She turned down Fox's offer of becoming a series regular on Prison Break in order to pursue Brothers & Sisters. In 2007 ABC and FOX agreed that Wettig could briefly reprise her role as Caroline Reynolds, providing off-camera voice-overs and appearing in a scene with Wentworth Miller.