1.(Physiol.) A term applied to the pulse wave sometimes seen in a pulse curve or sphygmogram, between the apex of the curve and the dicrotic wave.The predicrotic or tidal wave is best marked in a hard pulse, i. e., where the blood pressure is high.- Landois & Stirling.
predicrotic
enUK
predicrotic
[pre″di-krot´ik] occurring before the dicrotic wave of the sphygmogram.