This report describes a single clinical observation in which
arterial blood pressure and cerebral blood flow velocity were
concomitantly measured during manual chest compressions
in cardiac arrest. During basic life support in human cardiac
arrest we observed that cerebral blood flow velocity in the
brain is quickly restored to normal levels even when no relevant
systemic arterial blood pressure can be detected concurrently.
This observation illustrates that even in the absence of relevant
arterial blood pressure, cerebral blood flow velocities may be
quickly restored during basic life support.
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