Energy: The heart is efficient if you have no problems, have enough energy each day, no shortness of breath etc. Cardiologists do have methods of determining efficiency and a visit with a cardiologist can you give you the mathematical terms you may be needing. It is more efficient if you eat well, drink fluids, and moderately exercise, don't smoke, don't stress too much...The usual.
Answered 6/11/2012
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