Research Article

	Natural history of Ebstein's anomaly of tricuspid valve in childhood and adolescence. An international co-operative study of 505 cases. H Watson Br. Heart J. 1974; 36: 417-427. doi:10.1136/hrt.36.5.417 [PDF] [Request Permissions]
	Non-invasive technique for diagnosing congenital and acquired ventricular septal defects using directional Doppler ultrasound. Correlations with phasic flow velocity patterns of the shunt. D Kalmanson, J Aigueperse, C Veyrat, C Cornec, and P Chiche Br. Heart J. 1974; 36: 428-445. doi:10.1136/hrt.36.5.428 [PDF] [Request Permissions]
	Comparison of formulae used to estimate oxygen saturation of mixed venous blood from caval samples. H C Miller, D J Brown, and G A Miller Br. Heart J. 1974; 36: 446-451. doi:10.1136/hrt.36.5.446 [PDF] [Request Permissions]
	Complete atrial dissociation versus diaphragmatic action potentials. J Soler-Soler and J Angel-Ferrer Br. Heart J. 1974; 36: 452-456. doi:10.1136/hrt.36.5.452 [PDF] [Request Permissions]
	Pseudo AV block produced by concealed extrasystoles arising below the bifurcation of the His bundle. A Castellanos, B Befeler, and R J Myerburg Br. Heart J. 1974; 36: 457-461. doi:10.1136/hrt.36.5.457 [PDF] [Request Permissions]
	Study of retrograde conduction in complete heart block using His bundle recordings. A Takeshita, S Tanaka, and M Nakamura Br. Heart J. 1974; 36: 462-467. doi:10.1136/hrt.36.5.462 [PDF] [Request Permissions]
	His bundle rhythms with retrograde conduction to the atria. S Gavrilescu and C Luca Br. Heart J. 1974; 36: 468-474. doi:10.1136/hrt.36.5.468 [PDF] [Request Permissions]
	Normal measurements of modified Frank corrected orthogonal electrocardiograms and their importance in an on-line computer-aided electrocardiographic system. S Talbot, L S Dreifus, Y Watanabe, R Chiang, K Morris, and M Reich Br. Heart J. 1974; 36: 475-480. doi:10.1136/hrt.36.5.475 [PDF] [Request Permissions]
	Early detection of silent ischaemic heart disease by 24-hour electrocardiographic monitoring of active subjects. S Stern and D Tzivoni Br. Heart J. 1974; 36: 481-486. doi:10.1136/hrt.36.5.481 [PDF] [Request Permissions]
	His bundle recordings in paroxysmal atrioventricular block produced by carotid sinus massage. A Castellanos, R J Sung, D Cunha, and R J Myerburg Br. Heart J. 1974; 36: 487-491. doi:10.1136/hrt.36.5.487 [PDF] [Request Permissions]
	Relation between fetal flow patterns, coarctation of the aorta, and pulmonary blood flow. E A Shinebourne and A M Elseed Br. Heart J. 1974; 36: 492-498. doi:10.1136/hrt.36.5.492 [PDF] [Request Permissions]
	Incidence and significance of coronary artery calcification. J H McCarthy and F J Palmer Br. Heart J. 1974; 36: 499-506. doi:10.1136/hrt.36.5.499 [PDF] [Request Permissions]
	Electrical and mechanical aspects of left atrial activity. H J Bethell and P G Nixon Br. Heart J. 1974; 36: 507-511. doi:10.1136/hrt.36.5.507 [PDF] [Request Permissions]
	Ventricular tachycardia with retrograde conduction. Simplified diagnostic approach. G L Evans, M A Charles, and C T Thornsvard Br. Heart J. 1974; 36: 512-515. doi:10.1136/hrt.36.5.512 [PDF] [Request Permissions]
	Atrioventricular dissociation with prolonged QT interval and syncopal attacks in a 10-year-old boy. R J Kernohan and P Froggatt Br. Heart J. 1974; 36: 516-519. doi:10.1136/hrt.36.5.516 [PDF] [Request Permissions]
	Congenital mitral regurgitation due to 'posterior reinsertion' of chordae tendineae. G Bevilacqua Br. Heart J. 1974; 36: 520-524. doi:10.1136/hrt.36.5.520 [PDF] [Request Permissions]