Was the American heart lung machine developed by John Gibbon, Forest Dodrill and others based on the Soviet autojector?

Ejection Fraction: 50-75%- Heart's pumping ability is Normal Ejection Fraction: 36-49%- Heart's pumping ability is Below Normal Ejection Fraction:  35% and below- Heart's pumping ability is Low It is important to note that low ejection fractions caused by conditions such as heart failure....

If you don’t know the answer what to do after a heart attack, you’re not alone. Many survivors feel scared, confused and overwhelmed after a heart attack and it’s no surprise. You experienced a life-changing event. You probably received a lot of information and instructions from your doctor. Now, yo....

Did your wife undergo heart valve surgery yet? Ovarian cyst removal is done laparoscopically and so is not meant to have much load on the heart. The ejection fraction of the heart is the function that is more importantly looked at before any operative procedure is advised/planned.