A Clearinghouse for Information about Blood Clots (DVT/)PE) and Clotting Disorders (thrombophilia) provided as a public service by the University of North Carolina Blood Research Center

Tag: Transesophageal echo

  • PFO = Patent Foramen Ovale

    Anatomy Some people have a “hole in the heart”, called a “patent foramen ovale” (PFO). This is a connection between the right and the left chamber (atrium) of the heart. We are all born with it – the unborn needs this connection for proper blood circulation. In most people the hole closes in the first…