title: [Simple diagnostic methods in atrial septal defects].
mesh_terms: D005188:False Negative Reactions; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis*; D006801:Humans; D014636:Valsalva Maneuver / Q000379:methods
vernacular_title: Einfache diagnostische Methoden bei Vorhofseptumdefekt