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.
Callies is returning as Sara Tancredi, the prison doctor-turned-love interest for Miller's Scofield, and the mother of Michael's son. Nolasco played Fernando Scure, Michael's cell-mate at Fox River State Penitentiary who helped Sara escape from prison in the series finale.