title: [Valsalva's maneuver in the oximetric evaluation of a shunt on the atrial level].
mesh_terms: D005188:False Negative Reactions; D005189:False Positive Reactions; D006321:Heart / Q000503:physiopathology; D006325:Heart Atria; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D010092:Oximetry / Q000379:methods*; D011652:Pulmonary Circulation; D014636:Valsalva Maneuver
vernacular_title: Die-Valsalvasche Pressdruckprobe in der oxymetrischen Abklärung eines Shunts auf Vorhofebene