Editing Extracorporeal membrane oxygenation (section)

===Blood===
[[Heparin-induced thrombocytopenia]] (HIT) is increasingly common among people receiving ECMO. When HIT is suspected, the heparin infusion is usually replaced by a non-heparin anticoagulant.<ref name="pmid17667231"/>

There is retrograde blood flow in the descending aorta whenever the femoral artery and vein are used for VA (Veno-Arterial) ECMO. Stasis of the blood can occur if left ventricular output is not maintained, which may result in thrombosis.{{citation needed|date=April 2015}}