INTRACARDIAC PHONOCARDIOGRAPHY OF THE LEFT HEART BY TRANSSEPTAL LEFT ATRIAL PUNCTURE. TECHNIQUE AND PRELIMINARY RESULTS.
D006328:Cardiac Catheterization; D006325:Heart Atria; D006346:Heart Septum; D006801:Humans; D010701:Phonocardiography; D011677:Punctures
HEART CATHETERIZATION; HEART SEPTUM; PHONOCARDIOGRAPHY