mechanics Flashcards
ejection fraction: define ejection fraction
1
Q
how to calculate ejection fraction
A
(100 x stroke volume)/end-diastolic volume
2
Q
what is ejection fraction used for
A
clinically assess how well ventricles are contracting (contractility); normally 60-70%
3
Q
what ejection fraction % is mildly reduced, moderately reduced and severely reduced
A
mildly reduced: 45-54%, moderately reduced: 30-44%, severely reduced: <30%
4
Q
how do you measure ejection fraction
A
transthoracic echocardiogram (chest ultrasound)
