ELECTROCARDIOGRAPHY 



405 



114. Blinks, J. R. Positive chronotropic effect of increasing 

 right atrial pressure in the isolated mammahan heart. 

 Am. J. Physiol. 186: .199, 1956. 



115. Blumberger, K. Vergleichcnde Herzuntersuchungen bei 

 Zwillingen. Verh. dtsch. Ges. Kreisl.-Forsch. 13: 150, 1940. 



116. Bock, K. D. and W. Baust. Tierexperimentelle Unter- 

 suchung iiber die Ursachen der Fehlcr bei der Velctor- 

 analyse des unipolaren Brustwand-Elvg. Ztschr. Kreis- 

 lanjforsch. 43: 624, 1954. 



117. BocKH, E. M. Ein Beitrag zur Frage der Tagesschwan- 

 kungen im Ekg der Standard-Extremitaten-Ableitungen. 

 Ztschr. Kreislaiijforsch. 42: 420, 1953. 



1 18. BocKH, E. M. AND H. ScHAEFER. Weitere Untersuchungen 

 liber die Konstruierbarkeit von Ekg-Vektoren aus 

 Brustwandabieitiingen. Cardwlogia 23: 191, 1953. 



119. BoDEN, E. AND P. Neukirch. Elektrokardiographische 

 Studien am isolierten Saugetier- und Menschenherzen bei 

 direkter und indirekter Ableitung. Pfliiger's Arch. ges. 

 Physiol. 171: 1 46, 1 9 1 8. 



1 20. Boer, S. de Gleichzeitige direkte und indirekte Ableitung 

 des Elektrokardiogrammes mittels zweier Saitengalvanom- 

 eter bei Froschen nach Vergiftung mit Digitalis. Ztschr. 

 Kreislmtfforsch. '21 : 155, 1935. 



121. Boer, W. den The clinical value of vectorcardiography. 

 Acta med. scandinav. 144: 217, 1952. 



122. Boer, W. den, H. C. Burger, and J. B. van Mil.\an. 

 Vectorcardiograms of normal and premature beats in 

 different lead systems. Bril. Heart J. 17; i, 1955. 



123. Braunwald, E., H. L. MoscoviTz, S. S. Amram, R. P. 

 Lasser, S. O. Sapin, a. Himmelstein, M. M. Ravitch, 

 and a. J. Gordon. Timing of electrical and mechanical 

 events of the left side of the human heart. J. Appl. Physiol. 



8:309. 1955- 



124. Brendel, W., W. Raule, and W. Trautwein. Die 

 Leitungsgeschvv'indigkeit und Erregungsausbrcitung in 

 den Vorhofen des Hundes. Pfliiger's Arch. ges. Physiol. 253: 

 106, 1950. 



125 Briller, S. a. The integrated electrocardiogram. Ann. 

 New York Acad. Sc. 65; 894, 1957. 



126. Brodv, D. .\. The meaning of lead vectors and the 

 Burger triangle. Am. Heart J. 48: 730, 1954. 



127. Brody, D. a. The axostat. III. An improved form of the 

 instrument, and its application to the establishment of 

 spatial electrocardiographic indices in 102 normal sub- 

 jects. Am. Heart J. 50; 610, 1955. 



1 28. Brodv, D. A. A theoretical analysis of intracavitary blood 

 mass influence on the heart-lead relationship. Circulation 

 Res. 4: 731, 1956. 



1 29. Brody, D. A. A method for applying approximately ideal 

 lead connections to homogeneous volume conductors of 

 irregular shape. Am. Heart J. 53: 174, 1957. 



130. Brody, D. A. .\nd G. D. Copeland. Electrocardiographic 

 cancellation: Some observations concerning the "non- 

 dipolar" fraction of precordial electrocardiogram. Am. 

 Heart J. 56; 381, 1958. 



131. Brody, D. A. and G. D. Copel.\nd. The principles of 

 esophageal electrocardiography. Am. Heart J. 57; 3, 1959. 



132. Brody, D. A., B. P. McKay, and W. E. Romans. The 

 axostat. I. A new instrument for the multiaxial registra- 

 tion of extremity electrocardiograms. Am. Heart J. 48: 

 589. 1954- 



133. Browne, M. K. and J. T. Fitzsimons. Electrocardio- 



graphic changes during positive acceleration. Brit. Heart 

 J. 21: 23, 1959. 



1 34. Bucher, K. and P. Battig. Zum Mechanismus der puls- 

 synchronen Atmung. Helvet. physiol. et Pharmacol, acta 14: 



319. I95''- .. 



135. BuGYi, B. Uber Beeinflussung der elektrischen Systolen- 

 dauer durch Kalziuni- und Kaliumionen. Ztschr. ges. inn. 

 Med. 11: 518, I95<3. 



136. Burch, G. E. The electrocardiogram and disturbances in 

 electrolyte balance. Arch. Int. Med. 94; 509, 1954. 



137. Burch, G. E., J. A. Abildskov, and J. A. Cronvich. 

 Studies of the spatial vectorcardiogram in normal man. 

 Circulation 7: 558, 1953. 



138. Burch, G. E., L. H. Golden, and J. A. Cronvich. An 

 analysis of changes in the spatial vectorcardiogram with 

 aging. Am. Heart J. 55; 582, 1958. 



139. Burchell, H. B., H. E. Essex, ,\nd R. D. Pruitt. Studies 

 on the spread of excitation through the ventricular myo- 

 cardium. II. The ventricular septum. Circulation 6: 161, 



'952- 



140. Burger, H. C. The zero of potential: a persistent error. 

 Am. Heart J. 49: 581, 1955. 



141. Burger, H. C. and J. B. van Milaan. Heart -vector and 

 leads. I. Brit. Heart J. 8: 157, 1946. 



142. Burger, H. C. and J. B. van Milaan. Heart-vector and 

 leads. II. Brit. Heart J. 9: 154, 1947. 



143. Burger, H. C. and J. B. van Milaan. Heart-vector and 

 leads. III. Brit. Heart J. 10: 229, 1948. 



144. Burger, H. C., J. B. van Milaan, and \V. Klip. Com- 

 parison of three different systems of vectorcardiography. 

 Am. Heart J. 57: 723, 1959. 



145. Burger, H. G, H. A. Tolhoek, and F. G. Backbier. 

 The potential distribution on the body surface caused by 

 a heart vector. Am. Heart J. 48: 249, 1954. 



146. Burger, H. C. and J. P. Vaane. A criterion characteriz- 

 ing the orientation of a vectorcardiogram in space. Am. 

 Heart J. 56: 29, 1958. 



147. Burger, R. Uber das elektrische Feld des Herzens. I. 

 Cardiologia 3: 56, 1939. 



148. Burnett, C. T., M. G. Nims, and C. J. Josephson. The 

 induced anoxemia test. Am. Heart J. 23: 306, 1942. 



149. Butterworth, S. and J. J. Thorpe. On evaluating the 

 Einthoven triangle. Circulation 3: 923, 1951. 



150. Cabrera, E. Le probleme des derivations bipolaires ap- 

 pliquees a la vcctocardiographie. Acta cardial. 4: 231, 



'949- 



C.^NFIELD, R. On the electric field surrounding doublets 

 and its significance from the standpoint of Einthoven's 

 equations. Heart 14: 102, 1927. 



Cannon, P. .-vnd T. S. Jostrand. The occurrence of a 

 positive after-potential in the EGG in different physio- 

 logical and pathological conditions. Acta med. scandinav. 

 146: 191, 1953. 



153. C.ikRLSTEN, A. Experimentally provoked variations of the 

 positive after-potential in the human electrocardiogram. 

 Acta med. scandinav. 146: 424, 1953. 



154. Chamberl.mn, E. N. .and J. D. Hay. The normal electro- 

 cardiogram. Brit. Heart J. 1: 105, 1939. 



155. Chevalier, H. and M. Thaon. Le vecteur AP manifeste 

 (grandeur et direction) calcule sur 180 coeurs normaux 

 entre 12 et 65 ans. Arch. mal. coeur 42: 333, 1949. 



156. Conrad, L. L. and T. E. Cuddy. Activation of the free 



15'- 



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