6Īlthough brain MR imaging with diffusion-weighted imaging is regarded as the criterion standard for detecting early ischemia, CTP is a more widely accessible imaging technique, with shorter acquisition times. ![]() Intracranial arterial imaging is insufficient to diagnose ischemic stroke because up to 40% of patients with stroke have no identified occlusion. Imaging modalities that can differentiate an acute ischemic stroke from an epileptic seizure could facilitate the appropriate choice of urgent treatment. ![]() 3 Although some studies have demonstrated that intravenous rtPA in stroke mimics is relatively safe, 3 complications such as such hemorrhage or angioedema can occur in 1% of cases each 4 and increase the cost and length of hospitalization. 2 Up to 15% of patients receiving rtPA after NCCT have a stroke mimic. Stroke is the first diagnosis to explore because it requires early reperfusion therapy such as thrombolysis and/or mechanical thrombectomy because as many as 30% of patients with code stroke involve conditions that mimic stroke, 1 with epileptic seizure being one of the most frequent (∼10%). “Code stroke” status, a sudden-onset neurologic deficit, is a common cause of admission to emergency departments. ![]() ABBREVIATIONS: AIS acute ischemic stroke EEG electroencephalography NPV negative predictive value PPV positive predictive value Tmax time-to-maximum
0 Comments
Leave a Reply. |