Circulatory assistive device(s) used^postoperative:Prid:Pt:^Patient:Nom
circulatory assistive device(s) used^postoperative:prid:pt:^patient:nom
Circulatory assistive device(s) used^postoperative:Presence or Identity:To identify measures at a point in time:^Patient:Nominal
circulatory assistive device(s) used^postoperative:presence or identity:to identify measures at a point in time:^patient:nominal