Systolic Function

The Left Ventricular

Each echocardiogram is an evaluation of the LV dimensions, wall thicknesses and function.

There has to be conducted several (read: different) measurements to be a good estimate of LV function.

	Women				Men
	Reference range	Mildly abnormal	Moderately abnormal	Severely abnormal	Reference range	Mildly abnormal	Moderately abnormal	Severely abnormal
Linear method
Wallmotion score index	1.0	1.0-1.5	1.5-2.0	<2.0	1.0	1.0-1.5	1.5-2.0	<2.0
Endocardial fractional shortening, %	27-45	22-26	17-21	≤16	25-43	20-24	15-19	≤14
Midwall fractional shortening, %	15-23	13-14	11-12	≤10	14-22	12-13	10-11	≤10
2D Method
Ejection fraction, %	≥55	45–54	30–44	<30	≥55	45–54	30–44	<30
Doppler Method
Myocard performance index	<0.40				<0.40
dP/dt	>1100			<500	>1100			<500
Bold values: Recommended and best validated.1

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