== PFO / ASD == == PFO == [[https://www.onlinejase.com/article/S0894-7317(19)30188-9/fulltext?dgcid=raven_jbs_etoc_email|Identification of High-Risk Patent Foramen Ovale Associated With Cryptogenic Stroke: Development of a Scoring System ASE 2019]] === Size of PFO === The degree of shunting was defined as small (3 to 9 microbubbles), moderate (10 to 30 microbubbles), or large (>30 microbubbles) [[ https://www.ahajournals.org/doi/full/10.1161/hs0302.104543?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed | PFO ASA Study 2002 ]]