49 Contrast Staining Masquerading as Hemorrhage 49.1 Case Utility of dual-energy CT after endovascular stroke treatment. 49.2 Case Description 49.2.1 Clinical Presentation A 52-year-old male presented at 23:15 on Sunday…

48 Cerebral Amyloid Angiopathy 48.1 Case Description 48.1.1 Case 1: Patient with Seizures and Cognitive Impairment Clinical Presentation A 75-year-old man presented to the emergency department for assessment of loss…

47 Seizure 47.1 Case Description 47.1.1 Clinical Presentation A 67-year-old man was brought to the emergency department (ED) by ambulance after being found at home with new onset of left…

46 Acute Ischemic Stroke Secondary to Cardiac Myxoma Embolus 46.1 Case Description 46.1.1 Clinical Presentation A 28-year-old female initially presented to the emergency department as a code stroke with left-sided…

45 Reversible Cerebral Vasoconstriction Syndrome 45.1 Case Description 45.1.1 Clinical Presentation A 65-year-old female patient of Filipina-Canadian descent presented with acute-onset headache with a 10 out of 10 severity. Headache…

44 Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-Like Episodes (MELAS) 44.1 Case Description 44.1.1 Clinical Presentation A 26-year-old Chinese male patient was brought to the emergency department with a history of…

43 Intra-arterial Contrast Injection during Computed Tomography Angiography 43.1 Case Description 43.1.1 Clinical Presentation A 79-year-old female patient presented with right-sided facial weakness. Medical history included metastatic breast carcinoma, hypertension,…

42 Hemiplegic Migraine 42.1 Case Description 42.1.1 Clinical Presentation A 36-year-old male patient presented with 3-hour history of neurological deficit. Initial presenting symptoms were diplopia and dizziness, followed by nausea…