title: Diagnosing patent foramen ovale: too little or too much?
authors.forename: Itzhak
authors.initials: I
authors.lastname: Kronzon
authors.forename: Carlos E
authors.initials: CE
authors.lastname: Ruiz
mesh_terms: D016280:Atrial Function, Right; D002560:Cerebrovascular Circulation; D003326:Coronary Circulation; D017548:Echocardiography, Transesophageal; D054092:Foramen Ovale, Patent / Q000150:complications / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006801:Humans; D002546:Ischemic Attack, Transient / Q000000981:diagnostic imaging / Q000209:etiology / Q000503:physiopathology; D008365:Manometry; D011237:Predictive Value of Tests; D011312:Pressure; D012965:Sodium Chloride; D020521:Stroke / Q000000981:diagnostic imaging / Q000209:etiology / Q000503:physiopathology; D013997:Time Factors; D017585:Ultrasonography, Doppler, Transcranial; D014636:Valsalva Maneuver
chemical_list: D012965:Sodium Chloride