ECMO

noun

ˈek-(ˌ)mō 

: extracorporeal membrane oxygenation

… and they decided to take an extraordinary step, a procedure known as ECMO, for extracorporeal membrane oxygenation, essentially an external lung that filters the blood, removing carbon dioxide and adding oxygen.

—Sheryl Gay Stolberg, The New York Times Magazine

Initially, his left ventricle was essentially nonpulsatile, but within 24 hours after the initiation of ECMO, it started improving.

—David F. M. Brown et al., The New England Journal of Medicine