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. 2021 Jun 9;11(6):537. doi: 10.3390/life11060537

Figure 1.

Figure 1

The pulsatile and static ICP is derived from the same ICP signal, here presented with ICP on y scale (mmHg) and time on x axis. The pulsatile ICP, referred to as Mean Wave Amplitude (MWA), describes pressure changes occurring during the cardiac cycle, i.e., increase in pressure from diastolic minimum pressure to systolic maximum pressure. The static ICP (mean ICP), on the other hand, is the absolute pressure value measured against a reference pressure, not considering the pressure changes occurring during the cardiac cycle. The MWA and the mean ICP were determined over consecutive 6-s time windows; here, mean ICP was 8.2 mmHg and MWA 7.4 mmHg.