[APPARATUS FOR EXAMINING THE FUNCTION OF THE MITRAL VALVE DURING OPEN HEART SURGERY].
D006348:Cardiac Surgical Procedures; D006321:Heart; D006334:Heart Function Tests; D006354:Heart, Artificial; D008943:Mitral Valve; D013523:Surgical Equipment; D013903:Thoracic Surgery
HEART FUNCTION TESTS; HEART SURGERY; HEART, MECHANICAL; MITRAL VALVE; SURGICAL EQUIPMENT