Anesthesiologist Tjorvi Perry, left, talks with patient Roy Nothnagel, who remained conscious during a procedure at Abbott Northwestern Hospital in Minneapolis last month to replace a defective heart valve. Conscious sedation is becoming more common in these procedures as research finds it improve outcomes and lowers costs. (Jeremy Olson/Minneapolis Star Tribune/TNS)
Anesthesiologist Tjorvi Perry, left, talks with patient Roy Nothnagel, who remained conscious during a procedure at Abbott Northwestern Hospital in Minneapolis last month to replace a defective heart valve. Conscious sedation is becoming more common in these procedures as research finds it improve outcomes and lowers costs. (Jeremy Olson/Minneapolis Star Tribune/TNS) Jeremy Olson TNS
Anesthesiologist Tjorvi Perry, left, talks with patient Roy Nothnagel, who remained conscious during a procedure at Abbott Northwestern Hospital in Minneapolis last month to replace a defective heart valve. Conscious sedation is becoming more common in these procedures as research finds it improve outcomes and lowers costs. (Jeremy Olson/Minneapolis Star Tribune/TNS) Jeremy Olson TNS