Effect of Valsalva maneuver on oxygen saturation in patients with intracardiac shunts.
D019069:Cell Respiration; D006321:Heart; D006330:Heart Defects, Congenital / Q000502:physiology*; D006801:Humans; D010100:Oxygen / Q000097:blood*; D012119:Respiration / Q000502:physiology*; D014636:Valsalva Maneuver
D010100:Oxygen
HEART DEFECTS, CONGENITAL/physiology; OXYGEN/blood; RESPIRATION/physiology