Diastolic rumbles in normally functioning porcine mitral valves. 1978

M J Mirro, and H J Phyhel, and L S Wann, and A E Weyman, and M E Tavel, and J Stewart

Fourteen of 22 patients (64%) with normally functioning porcine prosthetic valves in the mitral position had apical diastolic rumbles on phonocardiogram and by auscultation. Six (27%) had opening snaps. Factors necessary for the production of a diastolic rumble appear to include central flow, a flexible stent, and the presence of biologic material. Clinicians should be aware that diastolic murmurs and snaps occur in the normally functioning porcine valve.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008943 Mitral Valve The valve between the left atrium and left ventricle of the heart. Bicuspid Valve,Bicuspid Valves,Mitral Valves,Valve, Bicuspid,Valve, Mitral,Valves, Bicuspid,Valves, Mitral
D010701 Phonocardiography Graphic registration of the heart sounds picked up as vibrations and transformed by a piezoelectric crystal microphone into a varying electrical output according to the stresses imposed by the sound waves. The electrical output is amplified by a stethograph amplifier and recorded by a device incorporated into the electrocardiograph or by a multichannel recording machine. Phonocardiographies
D006326 Heart Auscultation Act of listening for sounds within the heart. Cardiac Auscultation,Auscultation, Cardiac,Auscultation, Heart,Auscultations, Cardiac,Auscultations, Heart,Cardiac Auscultations,Heart Auscultations
D006347 Heart Sounds The sounds heard over the cardiac region produced by the functioning of the heart. There are four distinct sounds: the first occurs at the beginning of SYSTOLE and is heard as a "lubb" sound; the second is produced by the closing of the AORTIC VALVE and PULMONARY VALVE and is heard as a "dupp" sound; the third is produced by vibrations of the ventricular walls when suddenly distended by the rush of blood from the HEART ATRIA; and the fourth is produced by atrial contraction and ventricular filling. Cardiac Sounds,Cardiac Sound,Heart Sound,Sound, Cardiac,Sound, Heart,Sounds, Cardiac,Sounds, Heart
D006350 Heart Valve Prosthesis A device that substitutes for a heart valve. It may be composed of biological material (BIOPROSTHESIS) and/or synthetic material. Prosthesis, Heart Valve,Cardiac Valve Prosthesis,Cardiac Valve Prostheses,Heart Valve Prostheses,Prostheses, Cardiac Valve,Prostheses, Heart Valve,Prosthesis, Cardiac Valve,Valve Prostheses, Cardiac,Valve Prostheses, Heart,Valve Prosthesis, Cardiac,Valve Prosthesis, Heart
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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