What is the major difference between weaning a patient off of VA ECMO and VV ECMO?
a. The function of the heart must be assessed as increased blood flow is redirected to the native circulation.
b. The pulmonary system of patient's on VA ECMO needs to be weaned using HFOV.
c. VV ECMO weaning does not require the use of a ventilator.
d. VV ECMO patients can be placed on VA ECMO for weaning.
ANS: A
The process of weaning off of ECMO is different in VA support than in VV support. During VA weaning, the function of the heart must be assessed as increased blood flow is redirected to the native circulation.
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