Echocardiography for adult patients supported with extracorporeal membrane oxygenation

Table 2 Echocardiographic parameters on ECMO

	Venovenous ECMO	Venoarterial ECMO
Monitoring on ECMO	Biventricular size and function	Biventricular size and function
	Biatrial size and volume	Biatrial size and volume
	Follow up of any pre-existing pathology	Follow up of any pre-existing pathology
	Cannula position	Mitral/aortic regurgitation
	Pericardial effusion	Opening of aortic valve
	IVC size and collapsibility	Intracavitary spontaneous echo contrast/intracavitary thrombus
		Aortic thrombus
		Cannula position
		Pericardial effusion
		IVC size and collapsibility
Weaning from ECMO: measurements at baseline and with stepwise decrement on flows	LVEF	LVEF
	RV size and function (TAPSE, FAC, S at tricuspid annulus)	LVOT VTI
	Paradoxical septum	S wave at lateral annulus
	TR and RVSP	RV size and function
	TR and RVSP	TR and RVSP

ECMO extracorporeal membrane oxygenation, FAC fractional area change, IVC inferior vena cava, LVEF left ventricular ejection fraction, LVOT VTI left ventricular outflow tract velocity time integral, RV right ventricle, RVSP right ventricular systolic pressure, TAPSE tricuspid annular plane systolic excursion, TR tricuspid regurgitation

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