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  • Is the heart contracting well
  • Is the lungs ventilating
  • Is the biochemistry OK
  • Is the correction adequate
  • Heart - Rate, rhythm, contractility and color
  • Lungs - Ventilating
  • Blood Gas - corrected ?
  • Hemostasis
  • Mechanical problems

Weaning from CPB is a critical period when the whole body and not just the heart and lungs have to be delinked from the cardiopulmonary circuit. This requires close cooperation between the surgeon, the anesthesiologist and the perfusionsist. The scrub nurse must be prepared for emergent situations that can occur while delinking.