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A satisfactory waveform reading will present any of the typical shape characteristics (Figure 6.7-2) below, according to the patient’s clinical condition (from normal to pathological)
Figure 6.7-2 - ICP waveforms. Source: Nucci CG, et al. Acta Neurochir (Wien). 2016. Intracranial pressure wave morphological classification: automated analysis and clinical validation.
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As a suggestive reference, the waveforms below (Figure 6.7-3.A to 6.7-3.G) are typical non invasive ICP waveforms that are shown with the noninvasive ICP sensor.
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WARNING - The appearance of a normal waveform morphology does not eliminate the possibility of elevated intracranial pressure or irregularity in brain compliance. |
Figure 6.7-3 - examples of ICP waveforms in most common situations
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ATTENTION - The waveforms above are examples of typical noninvasive ICP waveforms in different clinical settings. You may see variations in the ICP waveform, but they should always follow a similar pattern. |
The monitoring session should be as long as required to assess the ICP waveform on the monitor. Typical sessions are of 15+ minutes but duration is ultimately defined by trained clinical personnel. The session should be finalized upon patient request due to discomfort or decision by the primary caregiver.
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