Arrhythmias are really common in patients after cardiac surgery. Most of the patients get sedation after cardiac surgery. The goal is to determine if the propofol (PR) (sedative agent), dexmedetomidine (DEX)(selective α2-adrenergic receptor (α2-AR) agonist) or their combination could improve and decrease the incidence of the arrhythmia in patients after cardiac surgery.
Arrhythmias early in the recovery period after cardio thoracic surgery are common they develop in 11 to 40 percent of patients after coronary-artery bypass grafting. The right chose of sedative agent could decrease the level of arrhythmia incidence.