Case Presentation: This is a 77 year old woman with a history of severe aortic stenosis, severe mitral regurgitation, and chronic atrial fibrillation (afib) on coumadin. In 2017, she underwent bioprosthetic aortic valve replacement, mitral valve repair, biatrial ablation (Maze procedure), and left atrial appendage ligation (WATCHMAN procedure), after which she was to continue coumadin [...]

Case Presentation: A 76-year-old male with PMH of atrial fibrillation s/p WATCHMAN device three years prior to presentation, CAD, and COPD presented to the emergency department with altered mental status, generalized weakness, and dysarthria for one day. He denied having any headache, nausea, vomiting, trauma, numbness, tingling, or palpitations. On physical exam, his vitals were [...]