Fig. 1
From: Transcranial color coded duplex sonography in the intensive care unit
Absence of filling in the left internal carotid, middle cerebral and anterior cerebral arteries (arrows) through the temporal window (a). Tranversal image of the left common carotid artery shows an occlusive thrombi of the lumen (arrow) (b). Perfusion study through the right temporal window. Time-intensity curves in the left hemisphere are flat compared with normal time-intensity curves in the right areas (c). Computed tomography showed a complete infarction of the anterior circulation of the left hemisphere (d)