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. 2020 Aug 28;11:959. doi: 10.3389/fneur.2020.00959

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Copyright © 2020 Dai, Jia, Pahren, Lee and Foreman.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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ICP pulse morphology: (A) Normal ICP Waveform with dominant P1, (B) Abnormal ICP waveform with dominant P2. ICP waveforms during normal intracranial physiologic conditions (A) differ from waveforms recorded when brain compliance is reduced (B). The waveform (A) represents the dominant P1 with amplitude P1 > P2 > P3 while waveform (B) represent the dominant P2 with amplitude P2 > P1, P3.