Background: Patients with acute ischemic stroke (AIS) have impaired vasomotor reactivity,
especially in the affected cerebral hemisphere, such that they may depend directly on …

Background Medical intervention (risk factor identification, lifestyle coaching, and
medication) for stroke prevention has improved significantly. It is likely that no more than …

Background Stroke mimics (SMs) are frequent in emergency departments (EDs), but are
treated infrequently with intravenous recombinant tissue plasminogen activator (rt-PA) …

Background and purpose Until now, stroke and transient ischemic attack (TIA) have been
clinically based terms which describe the presence and duration of characteristic …

Background Stroke is a leading cause of disability and death worldwide. The best estimates
of local, national, and global burden of stroke are derived from prospective population …

Background and Purpose—The accuracy of diffusion-weighted imaging (DWI) for the
diagnosis of acute cerebral ischemia among patients with suspected ischemic stroke …

Background and Purpose—Patients with acute ischemic stroke and intracranial arterial
obstructions have a poor prognosis and a high probability of deteriorating at 24 hours. We …

Background Whether lying-flat improves blood flow in patients with acute ischemic stroke is
unknown. Our aim was to investigate if lying-flat “changes” cerebral blood flow velocities …

ABSTRACT BACKGROUND AND PURPOSE Transcranial Doppler (TCD) helps identify
patients with carotid dissections at risk of ischemic events (IEs). There is paucity of data …

ABSTRACT BACKGROUND The additional information that transcranial Doppler (TCD) can
provide as part of a multimodal imaging stroke protocol in the setting of hyper acute strokes …