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Figure 2 | Annals of Intensive Care

Figure 2

From: Beyond intracranial pressure: optimization of cerebral blood flow, oxygen, and substrate delivery after traumatic brain injury

Figure 2

Noninvasive transcranial Doppler to manage CBF/CPP at the bedside. Example of transcranial Doppler in a patient with acute hydrocephalus and increased intracranial pressure (ICP). A. Before extraventricular drainage, TCD in the middle cerebral artery (MCA) shows cerebral ischemia with low diastolic CBF velocities (<20 cm/sec) and elevated pulsatility index (PI > 1.4). B. After extraventricular drainage, normalization of ICP was associated with normalization of diastolic velocities and PI, reflecting increased CBF.

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