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A member asked:
Clarify:cardiac output too high at rest? echo:stroke volume 100ml by 70 bpm, that means cardiac out:7l/min; cardiac index would be 3, 57l/min*m2.txs
3 doctors weighed in across 2 answers
Normal: Normal cardiac output may range from 4-8 and index from 2.5-4.
Answered 3/1/2014
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High Cardiac Output: Cardiac output is calculated by multiplying stroke volume by heart rate. Since the amount of blood pumped by the heart is dependent on body surface area ie. A larger person needs more blood supply. If it is more than 6l/min in an average person, at rest , and associated with symptoms, the cause must be looked into.
Answered 4/7/2014
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