MEDICINE HURST VENTRICULAR ELECTROCARDIOGRAPHY - Part 6 ppsx

... accessory pathway. The Wolff-Parkinson-White syndrome. The Wolff-Parkinson-White syndrome consists of the electrocardiographic abnormalities of ventricular pre-excitation, including a short ... infero-posterior myocardial infarction, was recorded from a 60 -year-old patient. The rhythm is normal and the heart rate is 60 complexes per minute. The duration of the PR interval is 0. 16...

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... connecting pathways between the sinus node and the A-V node and between the right and the left atria in the human heart. Am Heart J 1 963 ; 66 :489.) 49 Figure 4.21 Unipolar chest lead axes. ... of the interventricular septum. The left bundle divides to form two branches, although Tawara called it tripartite. The major divisions are the anterior-superior and the posterior-inferior...

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... or V 6 QRS<5mm in V 5 or V 6 Case Final Any Final Any Final Any Final Any 1 77M 0 0 + + 0 0 2 72M + + + 0 + 3 68 M + 0 + + + 4 67 M + 0 0 0 + 0 + 5 67 M 0 0 0 0 0 + 0 0 6 67M + + ... 0 + 5 67 M 0 0 0 0 0 + 0 0 6 67M + + + 0 0 7 65 M 0 0 0 0 0 0 0 0 8 65 M + + 0 0 0 0 9 62 M 0 0 0 0 + + 10 60 M 0 + + + + 11 58M + 0 0 + + 12 56M + + + + 13 55M + 0 0 0 0 0 0...

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... Lond (Biol) 17 76; 66: 1 96. 6. Galvani L: De viribus electricitatis in motu musculari commentarius. De Bononiensi Scientarium et Artium Instituto atque academia Commentarii 1791;7: 36 3-4 18. 7. Cohen ... 14 Electrocardiography by J. Willis Hurst and Grattan Woodson, could not have been written without the basic contribution of Robert Grant. [35] Figure 1.5 Robert Purves Gr...

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... Electrocardiography. New York: McGraw- Hill, 1957, p. 49.) The initial and terminal mean instantaneous QRS vectors. The frontal plane directions of the 0.0 1-, 0.0 2-, 0.0 4-, 0.0 6- , and 0.08-second ... Men and Ideas. New York: Oxford University Press; 1 964 : 26 5-3 51. 13. Lewis T: Clinical Electrocardiography, ed 4. London: Shaw & Sons; 1928 :6. 14. Einthoven W, Fahr...

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... frontal plane projections of the normal 0.0 1-, 0.0 2-, 0.0 4-, 0.0 6- , and 0.08-second QRS vectors are shown in Figure 5.9. Normally, the initial 0.0 1- to 0.02-second QRS vectors are anterior to the ... of left ventricular hypertrophy. Circulation 1 969 ; 40:185. 14. Romhilt DW, Estes EH Jr: A point-score system for the ECG diagnosis of left ventricular hypertrophy. Am Hea...

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... passossistica. Clin Pediatr 1 963 ; 45 :65 6. 6. Ward OC: A new familial cardiac syndrome in children. J Irish Med Assoc 1 964 ; 54:103. 7. Jervell A, Lange-Nielsen F: Congenital deaf-mutism, functional heart ... J 1957; 54(1):59. 8. Fisch C: Electrolytes and the heart, in Hurst JW (ed): The Heart, ed 6. New York: McGraw-Hill, 19 86, p. 1 466 . 9. Bronsky D, Dubin A, Kushner DS, Walds...

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... vector is directed inferiorly at about +60 ° and posteriorly at about 60 °. The total 12-lead QRS amplitude is 166 mm. T wave: The direction of the mean T vector is -4 5° in the frontal plane; it is directed ... diagnostic procedures: electrocardiography and vectorcardiography, in Hurst JW, Logue RB (eds): The Heart, Ed 1. New York: Blakiston, 1 966 , p 138 175 • A QRS-c...

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... abnormal. The mean QRS vector is directed at -1 00° superiorly, and about 60 ° posteriorly. The mean initial 0.04-second QRS vector is directed at -8 5° superiorly and about 30° anteriorly, away ... initial 0.04-second QRS, mean ST segment, and mean T vectors. B-D. The spatial orientations of the mean QRS, mean initial 0.04-second QRS, and mean T vectors, respectively. 2 06 hyp...

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... 250 Figure 13 .6 This electrocardiogram, showing left anterior-superior division block and terminal T wave inversion in leads V 1 and V 2 , was recorded from a 1 6- year-old canoeist. An echocardiogram ... of Spatial Vector Electrocardiography. New York: Blakiston, 1952, p. 193. (Copyright held by JW Hurst) Figure 12.4 This electrocardiogram was recorded from the same 72-year-ol...

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