Quantitative Measures of LV Function
Threshold abnormal | |||||
Parameter | Males | Females | Measured | Reported | References |
Systolic/global | |||||
LVEF (%) | <43–52 | <51–60 | Always | Always | 36–39,45 |
End-diastolic volume (mL) | >149–197 | >102–122 | Always | Frequently | 36–39,45 |
End-systolic volume (mL) | >70–82 | >42–46 | Always | Frequently | 36–39,45 |
LV mass (g) | >208 | >158 | Frequently | Seldom | 36 |
Summed thickening score | >3 | >3 | Frequently | Seldom | 64 |
Summed wall motion score | >3 | >3 | Frequently | Seldom | 64 |
TID | 1.14–1.36 | 1.14–1.36 | Always | Frequently | 55–59,60 |
Diastolic/global | |||||
PFR (end-diastolic volume/s) | <1.7 | Frequently | Seldom | 46 | |
Time to PFR (ms) | >208 | Frequently | Seldom | 46 |
Note that potential for measuring the listed quantitative parameters depends on the specific software used, which also includes version number associated with age of algorithms.