Patent foramen ovale - "back door" to the brain, even in kids.
Larry A
LA
Latson
D000293:Adolescent; D002545:Brain Ischemia / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology / Q000503:physiopathology / Q000601:surgery; D006348:Cardiac Surgical Procedures; D002648:Child; D002675:Child, Preschool; D019320:Embolism, Paradoxical / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology / Q000503:physiopathology / Q000601:surgery; D054092:Foramen Ovale, Patent / Q000150:complications / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D002546:Ischemic Attack, Transient / Q000000981:diagnostic imaging / Q000209:etiology* / Q000503:physiopathology / Q000601:surgery; D020521:Stroke / Q000000981:diagnostic imaging / Q000209:etiology*; D016896:Treatment Outcome; D017585:Ultrasonography, Doppler, Transcranial / Q000379:methods; D014636:Valsalva Maneuver