Research Article

	Does the atrioventricular node conduct? F L Meijler and C Fisch Br. Heart J. 1989; 61: 309-315. doi:10.1136/hrt.61.4.309 [PDF] [Request Permissions]
	A double blind placebo controlled study of early and late administration of recombinant tissue plasminogen activator in acute myocardial infarction. A J McNeill, S R Cunningham, D J Flannery, G W Dalzell, C M Wilson, N P Campbell, M M Khan, G C Patterson, S W Webb, and A A Adgey Br. Heart J. 1989; 61: 316-321. doi:10.1136/hrt.61.4.316 [Abstract] [PDF] [Request Permissions]
	Impact of a policy of direct admission to a coronary care unit on use of thrombolytic treatment. J M Burns, K J Hogg, A P Rae, W S Hillis, and F G Dunn Br. Heart J. 1989; 61: 322-325. doi:10.1136/hrt.61.4.322 [Abstract] [PDF] [Request Permissions]
	Use of a hollow wire to facilitate angioplasty of occluded vessels. L D Smith, D Katritsis, and M M Webb-Peploe Br. Heart J. 1989; 61: 326-330. doi:10.1136/hrt.61.4.326 [Abstract] [PDF] [Request Permissions]
	Effect of flosequinan on exercise capacity and symptoms in severe heart failure. J S Elborn, C F Stanford, and D P Nicholls Br. Heart J. 1989; 61: 331-335. doi:10.1136/hrt.61.4.331 [Abstract] [PDF] [Request Permissions]
	Half time of the diastolic aortoventricular pressure difference by continuous wave Doppler ultrasound: a measure of the severity of aortic regurgitation? S O Samstad, L Hegrenaes, T Skjaerpe, and L Hatle Br. Heart J. 1989; 61: 336-343. doi:10.1136/hrt.61.4.336 [Abstract] [PDF] [Request Permissions]
	Transmitral velocities measured by pulsed Doppler in healthy volunteers: effects of acute changes in blood pressure and heart rate. S A Smith, J E Stoner, A E Russell, J M Sheppard, and P E Aylward Br. Heart J. 1989; 61: 344-347. doi:10.1136/hrt.61.4.344 [Abstract] [PDF] [Request Permissions]
	Isoprenaline as an aid to the induction of catecholamine dependent supraventricular tachycardias during programmed stimulation. B Brembilla-Perrot, A Terrier de la Chaise, M Pichené, E Aliot, F Cherrier, and C Pernot Br. Heart J. 1989; 61: 348-355. doi:10.1136/hrt.61.4.348 [Abstract] [PDF] [Request Permissions]
	Endocarditis in intravenous drug abusers with staphylococcal septicaemia. J M Burns, K J Hogg, W S Hillis, and F G Dunn Br. Heart J. 1989; 61: 356-357. doi:10.1136/hrt.61.4.356 [Abstract] [PDF] [Request Permissions]
	Aortic valvotomy for critical aortic stenosis in neonates and infants aged less than one year. S Balaji, B R Keeton, G R Sutherland, D F Shore, and J L Monro Br. Heart J. 1989; 61: 358-360. doi:10.1136/hrt.61.4.358 [Abstract] [PDF] [Request Permissions]
	Diagonal earlobe creases and fatal cardiovascular disease: a necropsy study. N Kirkham, T Murrells, D H Melcher, and E A Morrison Br. Heart J. 1989; 61: 361-364. doi:10.1136/hrt.61.4.361 [Abstract] [PDF] [Request Permissions]
	Perinatal management of critical aortic valve stenosis diagnosed by fetal echocardiography. M A Robertson, P J Byrne, and P A Penkoske Br. Heart J. 1989; 61: 365-367. doi:10.1136/hrt.61.4.365 [Abstract] [PDF] [Request Permissions]
	Wolff-Parkinson-White syndrome after transplantation of the heart. J J Goy, L Kappenberger, and M Turina Br. Heart J. 1989; 61: 368-371. doi:10.1136/hrt.61.4.368 [Abstract] [PDF] [Request Permissions]
	Serial angiographic findings during the development of a saccular aneurysm of the coronary artery in association with unstable angina. J Goudevenos, M Been, and D Williams Br. Heart J. 1989; 61: 372-374. doi:10.1136/hrt.61.4.372 [Abstract] [PDF] [Request Permissions]
	Unruptured aneurysm of the sinus of Valsalva presenting with isolated heart block: echocardiographic diagnosis and successful surgical repair. R A Ahmad, S Sturman, and R D Watson Br. Heart J. 1989; 61: 375-377. doi:10.1136/hrt.61.4.375 [Abstract] [PDF] [Request Permissions]
	Propranolol induced bradycardia in tetralogy of Fallot. D J Clark, K C Chan, and J L Gibbs Br. Heart J. 1989; 61: 378-379. doi:10.1136/hrt.61.4.378 [Abstract] [PDF] [Request Permissions]