Fig. 6From: Focused examination of cerebral blood flow in peri-resuscitation: a new advanced life support compliant concept—an extension of the focused echocardiography evaluation in life support examinationExample of duplex sonography a patient during resuscitation with pulseless electrical activity (no wall motion). Extracranial internal carotid artery (ICA), external carotid artery (ECA). Flow signals below B-Mode images. b, d End-diastolic flow velocity (ED) marked with an arrow, ICA signal indicates only “systolic spikes”. There was virtually no ECA signal and values not measureableBack to article page