Case Presentation: 56-year-old woman with past medical history of hypertension, cerebrovascular accident, coronary artery disease, atrial fibrillation on apixaban presented with worsening left arm weakness. Patient was on full dose anticoagulation with apixaban 5 milligram(mg) every 12 hours and antiplatelet therapy with aspirin 81 mg. On physical examination patient had ischemic left upper extremity. Computed [...]