A. Physiology of Extracorporeal Bypass

Unit Objective:

At the end of this unit the resident understands the physiology and pathologic derangements of pulsatile and non-pulsatile extracorporeal bypass, and has a working knowledge of oxygenators, perfusion systems, and ventricular support devices as they apply to adult patients.

Learner Objectives:

Upon completion of the unit the resident:

1. Understands the physiology and mechanics of membrane and bubble oxygenators;
   
   
2. Understands the mechanics and operation of roller and vortex pumps;
   
   
3. Understands the physiology of various extracorporeal bypass circuits and the derangements caused by their use;
   
   
4. Knows the coagulation system and alterations of blood elements;
   
   
5. Understands the basic design and function of ventricular support devices.