A 78-year-old woman with known ischemic cardiomyopathy underwent elective implantable cardioverter defibrillator (ICD) lead extraction and a new lead implantation. Within 2 hours post-procedure, she experienced expressive dysphasia and right hemiplegia, which was confirmed to be due to an ischemic stroke on a brain CT scan. Additionally, the patient developed resting hypoxemia with oxygen saturation of 87-88% on room air that only partially improved with high-flow oxygen. Further investigation revealed a right-to-left shunt through a patent foramen ovale (PFO) on […]
