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CRDCRN69

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  1. Ejection Fraction

    CRDCRN69 replied to roxygirl82's topic in Cardiac
    That is actually not true.... you can calculate the EF w/o a left heart cath. We do it frequently in the ICU with a Pulmonary Artery (PA) catheter. The formula is: Right Heart EF= Stroke Volume (SV)/Right Ventricular End Diastolic Volume (RVEDV) or Left Heart EF= Stroke Volume (SV)/ Left Ventricular End Diastolic Volume (LVEDV). Multiple those answers by 100 to get the percentage. You can not use the blood pressure to calculate EF as the EF is based off of end diastolic volumes.

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