PHONOCAROrOGRAPHV 



733 



origin of the first and third heart sounds. Am. Heart J. 



30: 33^. '945- 

 q6. Dock, W. The forces needed to evoke sounds from cardiac 

 tissues, and the attenuation of heart sounds. Circulation 



■ 9:376, I gag- 

 ay. Dock, W., F. Gr.\ndell, and F. T.\ubm.\n. The physio- 

 logic third heart sound; Its mechanism and relation to 

 protodiastolic gallop. Am. Heart J. 50: 449, 1955. 



28. Edelman, E. E., Jr., K. Willis, R. P. Walker, L. 

 Christl'vnson, and J. R. Pierce. Relationship of the 

 physiologic third heart sound to the jugular-venous pulse. 

 Atn. J. Med. 17: 15, 1954. 



29. EiNTHOVEN, W. Die Registrirung dcr menschlichen 

 Herztone mittels des Saitcngalvanometers. Arch. ges. 

 Physiol. 117: 461, 1907. 



29a. Eldridge, F. L. and H. N. Hultgren. Production of 

 heart sounds by the cardiac catheter. Circulation 19: 557, 



i95g- 



30. Feldman, L., J. Friedlander, R. Dillon, and R. 

 Wallvn. Aneurysm of right sinus of Valsalva with rup- 

 ture into right atrium and into right ventricle. Am. 

 Heart J. 51: 314, 1956. 



31. Feruglio, G. a. and .\. Sreenivas.\n. Intracardiac 

 phonocardiogram in thirty cases of atrial septal defect. 

 Circulation 20: 1087, 1959. 



32. Flint, A. On cardiac murmurs. .Am. J. M. Sc. 44: 29, 

 1862. 



33. Gasul, B. M., R. a. Arcilla, E. H. Fell, J. Lvn field, 

 J. P. BicoFF, AND L. L. LuAN. Congenital coronary 

 arteriovenous fistula. Pediatrics 25: 531, i960. 



34. GELF.1.ND, D. .and S. Bellet. The musical murmur of 

 aortic insufficiency: clinical manifestations; based on a 

 study of 18 cases. Am. J. Sc. 221: 644, 1951. 



35. Gordon, A. J., L. Steinfeld, M. Dunst, and P. A. 

 Kirschner. Correlation of heart sounds and murmurs 

 with pressure during left heart catheterization. Circula- 

 tion 18: 979, 1958. 



36. Gray, I. R. Paradoxical splitting of the second heart 

 sound. Brit. Heart J. 18: 21, 1956. 



37. Hartman, H. Exhibit, yd ii'orld Congress of Cardiology, 

 Brussels, igsS. Quoted by H. Hartman (38). 



38. H.\RTM.\N, H. The jugular venous tracing. Am. Heart J. 

 59:698, i960. 



39. Hartman, H. and H. A. Snellen. Die klinische Bedeu- 

 tung des Venepulses. Arztl. Forsch. 13 : 404, 1959. 



40. Harvey, W. Exercitatio Anatomica de Motu Cordis et 

 .Sanguinis m Animalibus. Translated by C. D. Leake. 

 Springfield, 111.: Thomas, 1928. 



41. Holldack, K. and D. Wolf. Alias mid Kurzgef assies 

 Lehrhitch dei Phonokardiographie, 2nd ed. Stuttgart: Thicmc, 



>g58. 



42. Howell, [. B. L., S. Permutt, .and D. F. Proctor. 

 EfTect of lung inflation upon the pulmonary vascular bed 

 of excised dog lungs. Fed. Proc. 17: 74, 1958. 



43. Hurst, J. W., T. Staton, and D. Hubbard. Precordial 

 murmurs during pregnancy and lactation. Sew England 

 J. Med. 259: 515, 1958. 



44. Julian, D. and L. G. Davies. Heart sounds and intra- 

 cardiac pressures in mitral stenosis. Brit. Heart J. 19: 486, 



'g57- 



45. Kelly, J. J., Jr. Diagnostic value of phonocardiography 

 in mitral stenosis. Am. J. Med. 19: 862, 1955. 



46. Kuo, P. T. The gallop sounds. Studies of the mechanism 

 of production. Circulation 16: 276, 1957. 



47 . Kuo, p. T., E. A. Hildreth, and C. F. Kay. The mecha- 

 nism of gallop sounds, studied with the aid of the electro- 

 kymography. Ann. Int. Med. 35: 1306, 1951. 



48. Kuo, P. T., T. G. Schnabel, Jr., W. S. Blakemore, and 

 A. F. Whereat. Diastolic gallop sounds, the mechanism 

 of production. J. Clin. Invest. 36: 1035, 1957. 



49. Lagerlof, H. and L. Werko. Studies on the circulation 

 in man. III. The auricular pressure pulse. Cardiologia 13: 

 241, 1948. 



50. Leatham, A. Phonocardiography. Ihil. M. Bull. 8: 333, 



51. Leatham, A. A classification of systolic murmurs. Brit. 

 Heart J. 17:574, 1955. 



52. Le.atham, a. Auscultation of the heart. Pedial. Clin. 

 North .America 5 : 839, [ 958. 



53. Le.atham, a. and I. Gray. Auscultatory and phono- 

 cardiographic signs of atrial septal defect. Brit. Heart J. 

 ■8: 193, 1956- 



54. Le.atham, A. and L. Vogelpoel. The early systolic 

 sound in dilatation of the pulmonary artery. Brit. Heart J. 

 16: 21, 1954. 



55. Leatham, A. and D. Weitzman. Auscultatory and phono- 

 cardiographic signs of pulmonary stenosis. Brit. Heart J. 



'9: 303. '957- 



56. Lepeschkin, E. Zur electrophysiologischen Erklarung des 

 normalen und pathologischen Electrokardiogramms. 

 Klin. U'chnschr. 18: 1509, 1939. 



57. Levine, S. a. and W. p. Harvey. Clinical Auscultation of 

 the Heart, 2nd ed. Philadelphia: Saunders, 195g. 



58. Lewis, D. H., G. W. Deitz, J. D. Wallace, and J. R. 

 Brown, Jr. Intracardiac phonocardiography in man. 

 Circulation 16: 764, ig57. 



59. Lewis, D. H., A. Ertugrul, G. W. Deitz, J. D. Wallace, 

 J. R. Brown, Jr., and .\. N. Moghadam. Intracardiac 

 phonocardiography in the diagnosis of congenital heart 

 disease. Pediatrics 23: 837, 1959. 



60. Lewis, D. H., A. N. Moghadam, G. W. Deitz, J. D. 

 Wall.ace, J. R. Brown, Jr., and S. A. Khalil. The 

 Present Status of Intracardiac Phonocardiography. In : 

 Congenital Heart Disease, edited by Bass, A. D. and G. K. 

 Moe. Washington, D. C: Am. Assoc. Adv. Sc. i960, p. 

 269. 



6i. Little, R. C. Effect of atrial systole on \entricular pres- 

 sure and closure of the A-V valves. Am. J. Physiol. 166: 

 289, 1951. 



62. Little, R. C. .and J. G. Hilton. Effect of ectopic ven- 

 tricular contractions on the first heart sound. Fed. Proc. 

 12: 89, 1953. 



63. Liu, C. K. .and A. J.acono. Phonocardiography in atrial 

 septal defect. External and intracardiac phonocardio- 

 grams. Am. J. Cardiol. 2:714, 1958. 



64. Luisada, a. a., M. M. .Alimurung, and L. Lewis. 

 Mechanisms of production of the first heart sound. Am. 

 Physiol. 168: 226, 1952. 



65. Luis.ada, .■\. A. .and .S. Contro. On the time relationship 

 of the waves of the ballistocardiogram. Acta Cardiol. 6: 



847, '951- 



66. Luisada, A. A., F. G. Fleischner, and M. B. Rappaport. 

 Fluorocardiography (electrokymography). II. Observa- 

 tions on normal subjects. .Am. Heart J. 35: 348, 1948. 



