Figure 3From: Fulminant listerial infection of the central nervous system in an otherwise healthy patient: a case report The patient was declared 'brain dead' by clinical tests, while transcranial Doppler depicted reversal of diastolic blood flow in the left middle cerebral artery; on color mode, systolic and diastolic flow coexisted in the same time unit resulting in a pulsating flash akin to the beacon of a lighthouse.Back to article page