Figure 1.
![Figure 1. (A) Schematic of ECMO systems using a roller or centrifugal pump. Some centrifugal pumps can be used without the membrane lung as percutaneous VADs. (B) The Impella heart pumps are catheter-based temporary MCS devices. Purge fluid flows retrograde through the catheter in the femoral artery, past the motor housing to cool the rotor, and into the circulation. Originally published in Laliberte and Reed11© [2017], American Society of Health-System Pharmacists, Inc. All rights reserved. Reprinted with permission (R1804).](https://ash.silverchair-cdn.com/ash/content_public/journal/hematology/2018/1/10.1182_asheducation-2018.1.507/2/hem01868f1.png?Expires=1724135774&Signature=cjuLtzaEJKzuYvUqe2NU1XmE6Kq1pQ5tOikeyd2Ar4ttPLzAfZwC3ZqdYKqr~Uc57F1u8a~fQ04LsV30ykszHhFjMKLo-LLcsA3ok-eM1oTg2EWUwbgfA-~qc87QbQTvXaA-DKq0OskgmlQaOEdjrJwr3ZnWyGB9ruX8xmC7eBABRO~t372yYpk231B8OK3yYVMbsxtduD0NQPywCoiokMBJtOr8bt6PwjV2xKm~mvKnXWEpYfQv--fkkInaxjdLaEV5dPWRDeBeUodr8ZdvwnjL5AkGYofIdhejtpZSqvAcsd5TSRn1V-08R6xVDDeoGONScXjxIW9aEBsv8~1T7A__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
(A) Schematic of ECMO systems using a roller or centrifugal pump. Some centrifugal pumps can be used without the membrane lung as percutaneous VADs. (B) The Impella heart pumps are catheter-based temporary MCS devices. Purge fluid flows retrograde through the catheter in the femoral artery, past the motor housing to cool the rotor, and into the circulation. Originally published in Laliberte and Reed11 © [2017], American Society of Health-System Pharmacists, Inc. All rights reserved. Reprinted with permission (R1804).