A member asked:

Is cardiac output the same as ef%?

9 doctors weighed in across 2 answers
Dr. Bennett Werner answered

Specializes in Cardiology

No : Ef is the percentage of blood ejected with each heart beat. >55% is normal. Cardiac output is the amount of blood in ccs or milliliters ejected per minute and is dependent on heart rate and stroke volume (the volume of blood pumped in a single beat) co depends on body size but a typical measurement is in the range of 5 liters per minute.

Answered 8/24/2015

4.9k views

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Dr. Rodney Del Valle answered

Specializes in

Related but not the : Same. Co is a mathematical calculation of the amount of blood pump by the left ventricle of your heart in one minute ( stroke volume x hr ). The ejection fraction is a measurement of the percentage of blood leaving your left ventricle every time contract. Can be measure by 2d echocardiogram, cardiac catheterization, nuclear scan, mri. Hope it help.

Answered 4/20/2016

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