TABLE 2.

Parameters Considered in LV Shape Analysis

Description	Parameter	Unit
LV orientation	Long-axis angle (nongated and gated images)	Angle degree
Area	Normalized VP area (nongated and gated images)	NA
Volume	Normalized volume difference (nongated and gated images)	NA
	LV volume (nongated)/end-diastolic LV volume (gated)	mL
	Stroke volume (gated images only)	mL
Eccentricity	Long-axis eccentricity (nongated and gated images)	NA
	Short-axis eccentricity (nongated and gated images)	NA
Intensity	Normalized count deviation (nongated and gated images)	NA

NA = not applicable.