The efficient detection of Korotkoff sounds

A new method is described for detecting the Korotkoff sounds which signal systolic and diastolic blood pressure. By mounting a sound transducer wholly within the conventional arm-encircling cuff, high intensity sounds can be detected with the cuff placed in any location on the upper arm. The blood pressure values obtained with the cuff-microphone are essentially the same as those measured with a sound detector placed in the antecubital fossa.SommaireL'article décrit une nouvelle méthode de détection des sons de Korotkoff, qui signalent les tensions systolique et diastolique. En introduisant un microphone entièrement à l'intérieur d'un brassard conventionnel, on peut détecter des sons de haute intensité en plaçant ce brassard en n'importe quel point de l'avant-bras. Les valeurs de la pression sanguine obtenues à l'aide du brassard-microphone sont essentiellement les mêmes que celles que l'on mesurait à l'aide d'un stéthoscope placé au creux de l'avant-bras.ZusammenfassungEine neue Methode zum Nachweis von Korotkoffgeräuschen, welche den systolischen und den diastolischen Blutdruck übertragen, wird beschrieben. Wenn ein Geräuschtransducer vollständig innerhalb der üblichen Armmanschette angebracht wird, können Geräusche von hoher Intensität nachgewiesen werden. Dabei kann die Manschette an beliebiger Stelle am Oberarm angelegt werden. Die mit dem Manschettenmikrophon erhaltenen Blutdruckwerte sind im wesentlichen gleich denen, die mit einem in der Fossa antecubitalis angebrachten Geräuschempfänger gemessen werden.

[1]  R. Ware,et al.  Spectral analysis of Korotkoff sounds. , 1966, IEEE transactions on bio-medical engineering.

[2]  S. Aronow,et al.  An automatic blood-pressure-recording machine. , 1957, The New England journal of medicine.

[3]  W. Hamilton,et al.  Recommendations for Human Blood Pressure Determinations by Sphygmomanometers , 1951, Circulation.

[4]  A. C. Burton,et al.  RECOMMENDATIONS for human blood pressure determinations by sphygmomanometers. , 1967, Journal of the American Medical Association.

[5]  L A Geddes,et al.  Introduction of the auscultatory method of measuring blood pressure--including a translation of Korotkoff's original paper. , 1966, Cardiovascular Research Center bulletin.

[6]  Manning,et al.  A Comparison of Direct and Indirect Blood‐Pressure Determinations , 1953, Circulation.

[7]  W. A. Spencer,et al.  Graphic recording of the Korotkoff sounds. , 1959, American heart journal.

[8]  R. F. Rushmer,et al.  Korotkoff Sounds: An Experimental Critique , 1967, Circulation research.

[9]  T Rauterkus,et al.  Frequency analysis of Korotkov blood pressure sounds using the Fourier transform. Sam-TR-66-8. , 1966, [Technical report] SAM-TR. USAF School of Aerospace Medicine.

[10]  A. Iglauer,et al.  Measurements of arterial blood pressure in the arm and leg: Comparison of sphygmomanometric and direct intra-arterial pressures, with special attention to their relationship in aortic regurgitation , 1944 .

[11]  V J COLLINS,et al.  SPHYGMOMANOMETRY: the indirect measurement of blood pressure a review with recommendations for the operating room , 1963, Anesthesia and analgesia.

[12]  G. Wakerlin STANDARDIZATION OF BLOOD PRESSURE READINGS , 1939 .

[13]  A. Treloar,et al.  Circulation A Journal of the American-Heart Association Comparison of Indirect and Direct Methods of Measuring Arterial Blood Pressure , 2005 .

[14]  W. Hamilton,et al.  PHYSIOLOGIC RELATIONSHIPS BETWEEN INTRATHORACIC, INTRASPINAL AND ARTERIAL PRESSURES , 1936 .