What does "Mean gradient" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Mean gradient" in medicine refers to the average difference in pressure across a valve in the heart during a heartbeat. This measurement is used to determine how well the heart is pumping blood. A high mean gradient might indicate that the valve is narrow and not allowing enough blood to flow through, while a low mean gradient could suggest that the valve is too loose and letting too much blood flow back into the heart.
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