The point of maximum impulse (PMI) is defined as the point at which the sounds of the heart are diminished or absent.

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The PMI is actually the point of maximal intensity of the cardiac impulse, where the beating of the heart can be felt or seen most prominently. It is usually located at the apex of the heart and may not necessarily be associated with diminished or absent heart sounds.

The Point of Maximum Impulse (PMI) Is Defined as the Point