The Indirect Measurement of Blood Pressure

  • L. A. Geddes


One hundred twenty over eighty (120/80) and 90 mm Hg diastolic pressure are the numbers of interest to the general public and the cardiologist, respectively. The former (120/80) is a comfortable target for most people; 90 mm Hg diastolic is the flag for seeking signs of hypertension. As is well known, blood pressure increases with age in males and females; Fig. 1 illustrates this point.


Systolic Pressure Diastolic Pressure Cuff Pressure Arterial Pulse Korotkoff Sound 


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  1. Allen, F. M. Auscultatory estimation of the blood pressure of dogs. Journ. Metab. Res. 1923, 4, 431–443.Google Scholar
  2. American Heart Association: Special Article. Standardization of blood pressure readings. Am. Heart J. 1939, 18, 95–101.CrossRefGoogle Scholar
  3. American Heart Association—Bordley, J., Connor, C. A. R., Hamilton, W. F., and Kerr, W. J., Circulation 1951, 4, 503–509.PubMedCrossRefGoogle Scholar
  4. American Heart Association—Kirkendall, W. M., Burton, A. C., Epstein, F. H., and Freis, E. D. Recommendation for human blood pressure determinations by sphygmomanometers. Circulation 1967, 36, 980–988.PubMedCrossRefGoogle Scholar
  5. Anliker, M. and Raman K. R. Korotkoff sounds at diastolic pressure—a phenomenon of dynamic instability of fluid filled shells. Internat. J. Solids Structures 1966, 2, 467–491.CrossRefGoogle Scholar
  6. Barker, M. H. (and committee). Standardization of blood pressure readings. Joint recommendations of the American Heart Association and the Cardiac Society of Great Britain and Ireland. American Heart Journal 1939, 18, 95–101.CrossRefGoogle Scholar
  7. Berliner, K., Fujiy, H., Lee, D. H., Yildiz, M., and Garmer, B. Blood pressure measurements in obese persons. Amer. Journ. Cardiol. 1961, 8, 10–17.CrossRefGoogle Scholar
  8. Berry, M. R. Vascular Clinics XII. The mechanism and prevention of impairment of auscultatory sounds during determination of blood pressure of standing patients. Proc. Staff Meet. Mayo Clin. 1940, 15, 699–702.Google Scholar
  9. Bordley, J., Connor, C., Hamilton, W., Kerr, W., Wiggers, C. Recommendations for human blood pressure determinations by sphygmomanometers. Circulation 1951, 40, 503–509.CrossRefGoogle Scholar
  10. Bramwell, J. C. Blood pressure and its estimation. Lancet 1940, 1, 138–140 and 184–188.CrossRefGoogle Scholar
  11. Bramwell, J. C. and Hickson, S. K. The relation of pulse form to sound production in arteries. Part 2. Heart 1926, 13, 129–151.Google Scholar
  12. Brooks, C., and Luckhardt, A. B. The chief physical mechanisms concerned in clinical methods of measurement of blood pressure. Am. J. Physiol. 1916, 40, 49–74.Google Scholar
  13. Bruns, D. L. A general theory of the causes of murmurs in the cardiovascular system. Am. J. Med. 1959, 27, 360–374.PubMedCrossRefGoogle Scholar
  14. Burton, A. C. The criterion for diastolic pressure—revolution and counterrevolution. Circulation 1967, 36, 805–809.PubMedCrossRefGoogle Scholar
  15. Chungcharoen, D. Genesis of the Korotkoff sounds. Am. J. Physiol. 1964, 207, 190–194.PubMedGoogle Scholar
  16. Ciesielski, J. and Rodbard, S. Doubling of the arterial sounds in patients with pulsus bisferiens. JAMA. 1961, 175, 475–477.PubMedCrossRefGoogle Scholar
  17. Collins, V. M. and Magora, F. Sphygmomanometry, the indirect measurement of blood pressure. Anesth. Analg. 1963, 43, 443–452.Google Scholar
  18. Cook, J. E. and Taussig, A. E. Auscultatory blood pressure determination. J.A.M.A. 1917, 68, 1088.CrossRefGoogle Scholar
  19. Currens, J. H. and Bramwell, G. L. An automatic blood pressure recording machine. New Engl. Journ. Med. 1957, 258, 780–784.CrossRefGoogle Scholar
  20. Davis, G. and Geddes, L. A. Auscultatory mean blood pressure. Journ Clin. Mon. 1989, 1990, 6(4), 261–265.CrossRefGoogle Scholar
  21. Davis, G. and Geddes, L. A. Comparison of the oscillometric and auscultatory mean blood pressure in man. Journ Clin. Eng. 1989, 8(1):15–25.Google Scholar
  22. Day, R. Blood pressure determinations in children. Journ. Pedi. 1939, 14, 148–155.CrossRefGoogle Scholar
  23. D’Souza, M. F. and Irwin, L. M. Measurement of blood pressure. Brit. Med. Journ. 1970, 4, 814–815.Google Scholar
  24. Edwards, E. A., and Levine, H. D. Peripheral vascular murmurs. Arch. Int. Med. 1952, 90; 284–300.CrossRefGoogle Scholar
  25. Ehret, Ueber Blutdruck und dessen auskultatorische Bestimmungsmethode. Med. Wchnschr. Munchen 1909, 56, 959.Google Scholar
  26. Erlanger, J. Studies in blood pressure estimation by indirect methods. II. The mechanism of the compression sounds of Korotkoff. Amer. J. Physiol. 1916, 40, 82–125.Google Scholar
  27. Erlanger, J. Studies in blood pressure estimation by indirect methods. III. The movements of the artery under compression during blood pressure determination. Am. J. Physiol. 1921, 55, 84–158.Google Scholar
  28. Erlanger, J. The relation of longitudinal tension of an artery to the pre-anacrotic (break) phenomenon. Amer. Heart Journ. 1940, 19, 398–400.CrossRefGoogle Scholar
  29. Ettinger, W. Auskultatorische Methode der Blutdruckbestimmung und ihr praktischer Wert. Wein Klim. Wchnschr. 1907, 20(33), 992.Google Scholar
  30. Flack, M., Hill, L., and McQueen, J. The measurement of arterial pressure in man. Proc. Roy. Soc., London, 1915, 88 ser. B, 508–536.CrossRefGoogle Scholar
  31. Folsom, A. R., Prineas, R. J., Jacobs, D. R., Luepker, R. V., and Gillu, R. F. Measured differences between fourth and fifth phase diastolic blood pressures in 4885 adults. Int. Journ. Eped. 1984, 13(4), 436–441.CrossRefGoogle Scholar
  32. Friesen, R. H. and Lichter, I. L. Indirect measurement of blood pressure in neonates and infants utilizing an automatic noninvasive oscillometric monitor. Anesth. and Analg. 1981, 10, 742–745.Google Scholar
  33. Fruehan, C. T. On the Aeolian theory of cardiovascular murmur generation. New Physician 1962, 11, 433–438.PubMedGoogle Scholar
  34. Geddes, L. A. and Baker, L.E. Principles of Applied Biomedical Instrumentation. 2nd Ed., 1975, John Wiley, New York.Google Scholar
  35. Geddes, L. A., Newberg, D. C. Cuff pressure oscillation in the measurement of relative blood pressure. Psychophysiologic 1977, 14(2), 198–202.CrossRefGoogle Scholar
  36. Geddes, L. A., Hoff, H. E., and Badger, A. S. Introduction of the auscultatory method of measuring blood pressure—including a translation of Korotkoffs original paper. Cardiovas. Res. Center Bull. 1966, 5, 57–74.Google Scholar
  37. Geddes, L. A. and Whistler, S. J. The error in indirect blood pressure measurement with the incorrect size of cuff. Amer. Heart Journ. 96(1), 4–8, 1978.CrossRefGoogle Scholar
  38. Geddes, L. A., Knight, W., Posey, J., and Sutherland, N. Indirect determination of the rate of rise of arterial pressure. Cardiovas. Res. Center Bull. 1968, 7, 71–78.Google Scholar
  39. Geddes, L. A., Voelz, M., Combs, C., Reiner, D. Characterization of the oscillometric method for measuring indirect blood pressure. Ann. Bio-Med. Eng. 1983, 10(6), 271–280.CrossRefGoogle Scholar
  40. Geddes, L. A., Spencer, W. A., and Hoff, H. E. Graphic recording of the Korotkoff sounds. Am. Heart J. 1959, 57, 361–370.PubMedCrossRefGoogle Scholar
  41. Geddes, L. A., Hoff, H. E., Spencer, W. A., and Vallbona, C. Acquisition of physiological data at the bedside. Am. J. Med. Electronics 1962, 1, 62–69.Google Scholar
  42. Geddes, L. A., Hoff, H. E., Vallbona, C., Spencer, W. A., and Canzoneri, J. Numerical indication of indirect systolic and diastolic blood pressures, heart and respiratory rate. Anesthesiology 1964, 25, 861–866.PubMedCrossRefGoogle Scholar
  43. Geddes, L. A., Combs, W., Denton, W., et al. Indirect mean blood pressure in the dog. Amer. Journ. Physiol. (Heart Circ.) 1980, 7, H664–H666.Google Scholar
  44. Geddes, L. A., Chaffee, V. Whistler, S. J., Bourland, J. D. and Tacker, W. A. Indirect mean blood pressure in the anesthetized pony. Amer. Journ. Vet. Res. 1977, 38, 2055–2057.Google Scholar
  45. Geddes, L. A. The Direct and Indirect Measurement of Blood Pressure. Chicago 1970. Year Book Publishers, 196 pp.Google Scholar
  46. Geddes, L. A., Voelz, M., James, S., and Reiner, D. Pulse wave velocity as a method of obtaining systolic and diastolic pressure indirectly. Med. Biol. Eng. Comput. 1981, 19, 671–672.PubMedCrossRefGoogle Scholar
  47. Geddes, L. A. and Moore, A. G. The efficient detection of Korotkoff sounds. Med. Biol. Eng. Comput. 1968, 6, 603–609.CrossRefGoogle Scholar
  48. Geddes, L. A., Voelz, M., Combs, C., Reiner, D., and Babbs, C. F. Characterization of the oscillometric method for measuring indirect blood pressure. Ann. Biomed. Eng. 1982, 10, 271–280.PubMedCrossRefGoogle Scholar
  49. Geddes, L. A., Voelz, M., and James, S. Pulse arrival time as a method of obtaining systolic and diastolic pressures indirectly. Med. Biol. Eng. Comput. 1981, 19(6), 671–672.PubMedCrossRefGoogle Scholar
  50. Gilford, S. R. and Broida, H. P. Physiological monitoring equipment for anesthesia and other uses. Nat. Bur. Stds. Rep. 3301, 1954. Project 1204–20–5512. Supt. of Documents, Washington D. C.Google Scholar
  51. Gittings, J. C. Auscultatory blood-pressure determinations. Arch. Int. Med. 1910, 6, 196–204.CrossRefGoogle Scholar
  52. Goldring, D. and Wohltmann, H. Flush method for blood pressure deter minations in newborn infants. J. Pediat. 1952, 40, 285–289.PubMedCrossRefGoogle Scholar
  53. Goodman, E. H. and Howell, A. A. Further clinical studies in the auscultatory method of determining blood pressure. Am. J. M. Sc. 1911, 142, 334–352.CrossRefGoogle Scholar
  54. Gribbin, B., Steptoe, A. and Sleight, P. Pulse wave velocity as a measure of blood pressure change. Psychophysiol. 1976, 13(1), 86–90.CrossRefGoogle Scholar
  55. Hansen, R. L. and Stuckler, C. G. The “non-hypertension” or “small-cuff” syndrome. Clin. Pedi. 1966, 5, 579–580.CrossRefGoogle Scholar
  56. Hochberg, H. M. Automatic indirect blood pressure measurement in multitesting. Tutorial on multitesting. Washington, DC: International Health Evaluation Association, 1971.Google Scholar
  57. Hochberg, H. M. and Saltzman, O. Accuracy of an automatic blood pressure monitor. Curr. Therap. Res. 1971, 13(7), 129–138.Google Scholar
  58. Hughes, D. J., Babbs, C. F., Geddes, L. A., and Bourland, J. D. Measurement of Young’s modulus of elasticity of the canine aorta with ultrasound. Ultrasonic Imaging 1979, 1, 356–367.PubMedGoogle Scholar
  59. Kahn, A., Ware, R., and Siahaya, O. A digital recorder for aerospace biomedical monitoring. Am.]. Med. Electronics 1963, 2, 152–157.Google Scholar
  60. Kardon, M. B., Stegall, H. F., Stone, H. L., Bishop, V. S., Ware, R. W., and Kemmerer, W. T. Indirect measurement of blood pressure using Doppler shifted ultrasound. Digest of the Internat. Conf. on Med. and Biol. Eng. (Stockholm: Lungfors Linografiska AB, 1967.Google Scholar
  61. Karvonen, M. H. Effect of sphygmomanometer cuff size on blood pressure measurement. Bull. WHO 1962, 27, 805–808.PubMedGoogle Scholar
  62. Karvonen, M. J., Telivuo, L. J., and Jãrvinen, E. J. K. Sphygmomanometer cuff size and the accuracy of indirect measurement of blood pressure. 1964, Am. J. Cardiol. 13, 688–693.PubMedCrossRefGoogle Scholar
  63. Kemmerer, W. T., Ware, R. W., Stegall, H., and Evans, W. Indirect measurement of human blood pressure by the Doppler ultrasonic technique. S. Forum 1967, 18, 163–165.Google Scholar
  64. Kimble, K. J., Darnall, R. A., Yelderman, M., et al. An automatic oscillometry technique for estimating mean arterial pressure in critically ill neonates. Anesthesiol. 1981, 54, 423–425.CrossRefGoogle Scholar
  65. King, G. E. Errors in clinical measurement of blood pressure in obesity. Clin. Sci. 1967, 32, 223–237.PubMedGoogle Scholar
  66. Kirkendall, W. M., Burton, A. C., Epstein, F. H., and Freis, E. D. Recommendations for human blood pressure determinations by sphygmomanometer. Circulation 1967, 36, 980–988.PubMedCrossRefGoogle Scholar
  67. Kirkendall, W., Feinlieb, M., Fries, E., and Mark, A. Recommendations for human blood pressure determination by sphygmomanometers. American Heart Assn., Dallas TX 1981. Circulation 1984, 54, 1145A–1155A.Google Scholar
  68. Korns, H. M. The nature and time relations of the compression sounds of Korotkoff in man. Am. J. Physiol. 1926, 76, 247–264.Google Scholar
  69. Korotkoff, N. S. On the subject of methods of measuring blood pressure. Bull. Imp. Military Med. Acad. St. Petersburg 1905, 11, 365–367.Google Scholar
  70. Korteweg, D. J. Ueber die fortpflanzungsgeschwindigkeit die Schalle in elastichen rohren. Annalen der Physik und Chemie 1878, 5, 525–542.Google Scholar
  71. Kositskii, G. I. Theoretical basis for the auditory method of arterial pressure determination. Sechenov Physiol. J. of the U.S.S.R. 1958, 44, 1100–1114.Google Scholar
  72. Kotte, J. H., Iglauer, A., and McGuire, J. 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. Am. Heart J. 1944, 28, 476–490.CrossRefGoogle Scholar
  73. Kvols, L. K. Rohlfing, B. M., and Alexandr, J. K. A comparison of intraarterial and cuff blood pressure measurements in very obese subjects. Cardiovasc. Res. Ctr. Bull. 1969, 7, 118–122, and Personal communication 1975.Google Scholar
  74. Lange, R. L. and Hecht, H. Genesis of pistol-shot and Korotkoff sounds. Circulation 1956, 18, 975–978.CrossRefGoogle Scholar
  75. Lange, R. L., Carlisle, R. P., and Hecht, H. Observations on vascular sounds—the pistol-shot sound and the Korotkoff sound. Circulation 1956, 13, 873–883.PubMedCrossRefGoogle Scholar
  76. Latshaw, H. T., Whistler, S. J., Fessier, J. F., and Geddes, L. A. Indirect measurement of blood pressure in the normotensive and hypotensive horse. Equine Vet. Journ. 1979, 11(3), 191–194.CrossRefGoogle Scholar
  77. London, S. B. and London, R. E. Critique of indirect diastolic point. Arch. Int. Med. 1967, 119, 39–49.CrossRefGoogle Scholar
  78. London, S. B. and London, R. E. Comparison of indirect pressure measurements (Korotkoff) with simultaneous direct brachial artery pressure distal to the cuff. Adv. Int. Med. 1967, 13, 127–142.Google Scholar
  79. Mac William, J. A. and Melvin, G. S. Systolic and diastolic blood pressure estimation, with special reference to the auditory method. Brit. M. J. 1914, 1, 693–697.CrossRefGoogle Scholar
  80. Malcolm, J. E. Blood Pressure Sounds and Their Meanings (Springfield, IL.: Charles C. Thomas, Publisher, 1957), 93 pp.Google Scholar
  81. Marey, E. J. Physiologie Experimentale. Paris 1876 Masson and Cie.Google Scholar
  82. Marey, E. J. Pressure and speed of blood. Physiologie Experimentale Paris, 1876, vol. 2. G. Masson. Traveaux du Laboratorie de M. Marey. Ecole Practique des Hautes Etudes.Google Scholar
  83. Masuda, M. and Endo, K. Analysis of the Korotkoff sounds before, during, and after the exhausting running. Bull. Physical Fitness Res. Inst. 1966, 8, 187–194.Google Scholar
  84. Masuda, M. and Mihara, T. Automatic indirect determination of arterial blood pressure during exercise. Bull. Physical Fitness Res. Inst. 1965, 4, 25–33.Google Scholar
  85. Mauck, G. B., Smith, C. R., Geddes, L. A., and Bourland, J. D. The meaning of the point of maximum oscillations in cuff pressure in the indirect measurement of blood pressure II. Journ. Biomech. Eng. (ASME Trans.) 1980.Google Scholar
  86. McCutcheon, E. P. and Rushmer, R. F. Korotkoff sounds. An experimental critique. Circulation Res. 1967, 20, 149–161.PubMedCrossRefGoogle Scholar
  87. Meisner, J. E. and Rushmer, R. F. Production of sounds in distensible tubes. Circ. Res. 1963, 651–658.Google Scholar
  88. Moens, A. I. Die Pulskurve. Leiden, 1878, E. J. Brill, 147 pp.Google Scholar
  89. Moss, A. J. and Adams, F. H. Auscultatory and intra-arterial pressure. A comparison in children with special reference to cuff width. Journ. Pedi. 1967, 66, 1094–1097.CrossRefGoogle Scholar
  90. NASA Project Mercury: Results of the First U. S. Manned Orbital Space Flight, NASA, Feb. 20, 1962. Manned Spacecraft Center. Supt. Documents, Washington, D. C.Google Scholar
  91. Norris, G. W. Blood Pressure and Its Clinical Application (Philadelphia: Lea and Febiger, 1916), 424 pp.Google Scholar
  92. Nuessel, W. F. The importance of a tight blood pressure cuff. Amer. Heart Journ. 1956, 61, 905–906.CrossRefGoogle Scholar
  93. Orma, E., Karvonen, M. H., and Keys, A. Cuff hypertension. Lancet 1960, 2, 51.CrossRefGoogle Scholar
  94. Pederson, R. W., and Vogt, F. B. Korotkoff sounds in hypertension. Med. Instr. 1973, 7, 251–256.Google Scholar
  95. Pickering, G. W. High Blood Pressure (New York: Grune and Stratton, Inc., 1955), 547 pp.Google Scholar
  96. Pickering, G. W., Fraser, Roberts, J. A., and Sowry, G. S. C. The aetiology of essential hypertension. The effect of correcting for arm circumference on the growth rate of arterial pressure with age. Clin. Sci. 1954, 13, 267–271.PubMedGoogle Scholar
  97. Posey, J. A., Geddes, L. A., Williams, H., and Moore, A. G. The meaning of the point of maximum oscillations in cuff pressure in the indirect measurement of blood pressure. Part 1. Cardiovasc. Res. Ctr. Bull. 1969 8,(1):15–25.Google Scholar
  98. Pruett, J., Bourland, J. D., and Geddes, L. A. Measurement of pulse wave velocity using a beat-sampling technique. Ann. Biomed. Eng. 1988, 16, 341–347.PubMedCrossRefGoogle Scholar
  99. Ragan, C. and Bordley, J. The accuracy of clinical measurements of arterial blood pressure. Bull. Johns Hopkins Hosp. 1941, 69, 504–528.Google Scholar
  100. Ramsey, M. Noninvasive automatic determination of mean arterial pressure. Med. Biol. Eng. Comput. 1979, 17, 11–18.PubMedCrossRefGoogle Scholar
  101. Rappaport, M. B. and Luisada, A. A. Indirect sphygmomanometry. Ind. Clin. Med. 1944, 29, 638–656.Google Scholar
  102. Rauterkus, T., Feltz, J. F., and Fickes, J. W. Frequency analysis of Korotkov blood pressure sounds using the Fourier transform. SAM Tech. Rep. SAM-TR-66–8. USAF School of Aerospace Med. 1966, 46 pp.Google Scholar
  103. Reid, D. H., Holland, W. W., and Humesfelt, S. A cardiovascular survey of British postal workers. Lancet 1966, 1, 614–618.PubMedCrossRefGoogle Scholar
  104. Robinow, M., Hamilton, W. F., Woodbury, R. A., and Volpitto, P. P. Accuracy of clinical determinations of blood pressure in children. Amer. Journ. Dis. Children 1939, 58, 102–118.Google Scholar
  105. Rodbard, S. The clinical utility of the arterial pulses and sounds. Heart and Lung 1(6), 776–784, November-December, 1972.Google Scholar
  106. Rodbard, S., Rubinstein, H. M., and Rosenblum, S. Arrival time and calibrated contour of the pulse wave determined indirectly from recordings of arterial compression sounds. Am. Heart J. 1957, 53, 205–212.PubMedCrossRefGoogle Scholar
  107. Rodbard, S. and Mohrhers, R. Device for registration of the calibrated upstroke in man. Rev. Sc. Instrs. 1961, 32, 1022–1023.CrossRefGoogle Scholar
  108. Rodbard, S. The clinical significance of the arterial sounds. Heart Bull. 1962, 11, 41–45.PubMedGoogle Scholar
  109. Rodbard, S. The significance of the intermittent Korotkoff sounds. Circulation 1953, 8, 600–604.PubMedCrossRefGoogle Scholar
  110. Rodbard, S. In Segal, B. L. Theory and Practice of Auscultation. (Philadelphia: F. A. Davis Company, 1963), 562 pp.Google Scholar
  111. Rodbard, S. and Lebanoff, A. J. Differentiation of aortic valve stenosis from subaortic muscular stenosis by means of arterial-sound recordings. New England J. Med. 1965, 273, 780–784.CrossRefGoogle Scholar
  112. Rodbard, S. and Saiki, H. Flow through collapsible tubes. Amer. Heart Journ. 1953, 40, 715–725.CrossRefGoogle Scholar
  113. Roman, J., Henry, J. P., and Meehan, J. P. Validity of flight blood pressure data. Aerospace Med. 1965, 36, 436–446.Google Scholar
  114. Segall, H. N. A note on the measurement of diastolic and systolic blood pressure by the palpation of arterial vibrations (sounds) over the brachial artery. Canad. M.A.J. 1940, 42, 311–313.Google Scholar
  115. Sewall H. Clinical significance of postural changes and the secondary waves of blood pressure. Amer. Journ. Med Sci. 1919, 158, 786.CrossRefGoogle Scholar
  116. Siahaya, O., Kaku, A., and Ware, R. W. A digital readout technique applied to the laboratory and aerospace monitoring of physiological data. S.A.M. Tech. Rep. TDR 62–139. USAF Brooks AFB, TX, 1962.Google Scholar
  117. Simpson, J. A., Jamieson, G., Dickhaus, D. W., and Grover, R. F. Effect of cuff bladder on accuracy of measurement of indirect blood pressure. Amer. Heart Journ. 1965, 70, 208–215.CrossRefGoogle Scholar
  118. Steen, S. N. and Grissman, F. L. A new system for the indirect measurement of systolic and diastolic blood pressures. Anesth. and Analg. 1962, 41, 391.Google Scholar
  119. Stegall, H. F., Kardon, M. B., and Kemmerer, W. T. Indirect measurement of arterial blood pressure by Doppler ultrasonic sphygmomanometry. J. Appl. Physiol. 1968, 25, 793–798.PubMedGoogle Scholar
  120. Steinfeld, L., Alexander, H., and Cohen, M. L. Updating sphygmomanometry. Amer. Journ. Cardiol. 1974, 33, 107–110.CrossRefGoogle Scholar
  121. Tavel, M., Faris, J., Nasser, W. K., Feigenbaum, H., and Fisch, C. Korotkoff sounds. Circulation 1969, 39, 465–474.PubMedCrossRefGoogle Scholar
  122. Trout, K. W., Bertrand, C. A., and Williams, M. H. Measurement of blood pressure in obese persons. Journ. Amer. Med. Assn. 1956, 162, 970–971.CrossRefGoogle Scholar
  123. Van Bergen, F. H., Weatherhead, D. S., Treolar, A. E., Dobkin, A. B., and Buckley, J.J. Comparison of indirect and direct methods of measuring arterial blood pressure. Circulation 1954, 10, 481–490.CrossRefGoogle Scholar
  124. Von Recklinghausen, H. Über Blutdruckmessung beim Menschen. Arch. Exper. Path. u. Pharmakol. 1901, 46, 78–132.CrossRefGoogle Scholar
  125. Wallace, J. D., Lewis, D. H., and Khalal, S. A. Korotkoff sound in human. Journ. Accoust. Soc. Amer. 1961, 33, 1178–1182.CrossRefGoogle Scholar
  126. Ware, R. W. and Kahn, A. R. Automatic indirect blood pressure determination in flight. J. Appl. Physiol. 1963, 18, 210–214.PubMedGoogle Scholar
  127. Ware, R. W. and Anderson, W. L. Spectral analysis of Korotkoff sounds. IEEE Tr. on Biomed. Eng. 1966, BME-13, 170–174.CrossRefGoogle Scholar
  128. Ware, R. W., Laenger, C. J., Heath, C. A., and Crosby, R. J. Development of indirect blood pressure sensing technique for aerospace vehicle and simulation use. Tech. Rep. AMRL-TR-67–201. Aeorospace Res. Labs. Wright-Patterson AFB, Ohio, 1968, 137 pp.Google Scholar
  129. Ware, R. W. and Laenger, C. J. Indirect blood pressure measurement by Doppler ultrasound kinetoarteriography. Proc. 20th Ann. Conf. on Eng. in Med. and Biol. (Boston) (Wellesley, Mass.: Wellesley Press, 1967).Google Scholar
  130. Ware, R. W. and Laenger, C. J. Indirect recording of the entire arterial pressure wave. Proc. 19th Ann. Conf. on Eng. in Med. and Biol. 1966, 8, 803. (San Francisco). Washington, 1966, McGregor and Werner.Google Scholar
  131. Weaver, J. C. and Bohr, D. F. The digital blood pressure. Amer. Heart Journ. 1950, 39, 413–422.CrossRefGoogle Scholar
  132. Wessale, J. L., Smith, L. A., Reed, M. E., Janas, W., Carter, A. B., and Geddes, L. A. Indirect auscultatory systolic and diastolic pressures in the anesthetized dog. Amer. Journ. Vet. Res. 1985, 46(10), 2139–2132.Google Scholar
  133. Whitcher, C.E. Department of Anesthesia, Stanford Medical Center, Palo Alto, California. Personal communication, 1962.Google Scholar
  134. Whitcher, C.E., Cole, C.A., and Weaver, C.S. Stethoscope performance in transduction of human Korotkov blood pressure sounds (personal communication). Presented to the Ann. Mtg. Am. Soc. Anesthesiologists, 1967.Google Scholar
  135. Whitcher, C.E., Smith, Ty, Cole, C.A., Manley, P. E., Weaver, C.S., Huntington, D. A., and Dixon, R. F. Analysis of human Korotkov sounds (personal communication). Presented to the Ann. Mtg. Am. Soc. Anesthesiologists, 1966.Google Scholar
  136. Woodbury, R. A., Robinow, M., and Hamilton, W. F. Blood pressure studies on infants. Amer. Journ. Physiol. 1938, 122, 472–479.Google Scholar
  137. Wright, I. S., Schneider, R. F., and Ungerleider, H. E. Factors of error in blood pressure readings. Am. Heart J. 1938, 16, 469–476.CrossRefGoogle Scholar
  138. Yamakoshi, K., Shimazu, H., and Togawa, T. Indirect measurement of instantaneous arterial blood pressure in the human finger by the vascular unloading technique. IEEE Trans. Bio. Med. Eng. 1980, BME 27, 150–155.CrossRefGoogle Scholar
  139. Yelderman, M. and Ream, A. K. Indirect measurement of mean blood pressure in the anesthetized patient. Anesthesiol. 1979, 50, 253–256.CrossRefGoogle Scholar
  140. Yong, P. and Geddes, L. A. The effect of pressure deflation rate on accuracy in indirect measurement of blood pressure with the auscultatory method. Journ. Clin. Mon. 1987, 3(3), 155–159.CrossRefGoogle Scholar
  141. Yong, P. and Geddes, L. A. A surrogate arm for evaluating the accuracy of indirect pressure-measuring instruments. Biomed. Tech. Med. Instr. 1990, 24(2), 130–135.Google Scholar

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© Springer Science+Business Media New York 1991

Authors and Affiliations

  • L. A. Geddes
    • 1
  1. 1.Hillenbrand Biomedical EngineeringPurdue UniversityWest LafayetteUSA

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