Normal and shear strains of the left ventricle in healthy human subjects measured by two-dimensional speckle tracking echocardiography

Table 4 Comparison of peak systolic radial normal strain and time to peak systolic radial normal strain at 3 levels within the same wall ( p values)

	LAX					SAX
	Radial normal strain		Time to peak normal radial strain		Radial normal strain		Time to peak normal radial strain
	IVS	LVPW	IVS	LVPW	IVS	LVPW	IVS	LVPW
Base-Mid	0.44	0.95	0.23	0.0027	0.10	0.05	0.62	0.005
Base-Apex	0.96	0.10	0.98	0.0003	0.0004	<0.0001	0.014	0.013
Mid-Apex	0.45	0.07	0.10	0.95	0.02	0.0006	0.002	0.901

Notes: LAX, long-axis view of LV; SAX, short-axis view; LVPW, Left ventricular posterior wall; IVS, Interventricular septum; LV, Left ventricle.

ISSN: 1476-7120