Temporary epicardial cardiac resynchronisation versus conventional right ventricular pacing after cardiac surgery: study protocol for a randomised control trial

Table 5 Echo protocol.

Echo window	Modality	Measurement
Parasternal long axis	MMode	LV internal dimensions
		LV wall thickness
		Septum to lateral wall delay
	Colour flow	Mitral regurgitation
Parasternal short axis	PW doppler	RVOT- pulmonary pre-ejection interval (PPEI)
	CW doppler	PA acceleration time
Apical 4 chamber	2D	LA and RA area
		LVEDV and LVESV
	MMode	Long axis displacement- RV lateral/LV septal and
		lateral walls
	Colour flow	Mitral regurgitation
	PW doppler	Mitral inflow
		LVOT- aortic pre-ejection interval (APEI)
		IVRT
	MVI	Medial and lateral E'
		Basal segments- peak velocity.
Apical 2 chamber	2D	LVEDV and LVESV
	MVI	Basal segments- peak velocity.
Apical 3 chamber	MVI	Basal segments- peak velocity.

ISSN: 1745-6215