perfusionist
Pronunciation: per-FYOO-zhun-ist
A specialized healthcare professional who operates the heart-lung machine during cardiac surgery.
Full Definition
A perfusionist is a highly trained allied health professional responsible for operating extracorporeal circulation equipment during cardiac surgery. Their duties include managing the cardiopulmonary bypass machine, monitoring anticoagulation, controlling temperature and flow rates, and ensuring adequate tissue perfusion. Perfusionists work closely with the surgical team to coordinate timing of bypass initiation and termination, cardioplegia delivery, and hemodynamic management. They must respond rapidly to changing clinical conditions and equipment malfunctions. The perfusionist's expertise is crucial for patient safety and optimal outcomes in cardiac surgery, requiring extensive knowledge of cardiovascular physiology, pharmacology, and mechanical systems.
Usage
Usage note: Capitalize when referring to the professional title; distinguish from other cardiac team members.
In Context
- "The perfusionist maintained optimal flow rates throughout the procedure despite challenging anatomy." — Operative team communication
- "Coordination between surgeon and perfusionist was essential during the complex aortic reconstruction." — Multidisciplinary team note