Research Article

	Adaptation of hypertensives to treatment with cardioselective and non-selective beta-blockers. Absence of correlation between bradycardia and blood pressure control, and reduction in slope of the QT/RR relation. E M Williams, M O Hassan, J S Floras, P Sleight, and J V Jones Br. Heart J. 1980; 44: 473-487. doi:10.1136/hrt.44.5.473 [Abstract] [PDF] [Request Permissions]
	Effects of propranolol on myocardial oxygen consumption, substrate extraction, and haemodynamics in hypertrophic obstructive cardiomyopathy. D S Thompson, N Naqvi, S M Juul, R H Swanton, D J Coltart, B S Jenkins, and M M Webb-Peploe Br. Heart J. 1980; 44: 488-498. doi:10.1136/hrt.44.5.488 [Abstract] [PDF] [Request Permissions]
	Antibiotic prophylaxis against infective endocarditis after normal delivery--is it necessary? D Sugrue, S Blake, P Troy, and D MacDonald Br. Heart J. 1980; 44: 499-502. doi:10.1136/hrt.44.5.499 [Abstract] [PDF] [Request Permissions]
	Importance of age in prehospital and hospital mortality of heart attacks. R G Wilcox and J R Hampton Br. Heart J. 1980; 44: 503-507. doi:10.1136/hrt.44.5.503 [Abstract] [PDF] [Request Permissions]
	Changes in red cell deformability and other haemorrheological variables after myocardial infarction. A J Dodds, M J Boyd, J Allen, E D Bennett, P T Flute, and J A Dormandy Br. Heart J. 1980; 44: 508-511. doi:10.1136/hrt.44.5.508 [Abstract] [PDF] [Request Permissions]
	R wave amplitude during exercise. Relation to left ventricular function and coronary artery disease. D W Baron, C Ilsley, I Sheiban, P A Poole-Wilson, and A F Rickards Br. Heart J. 1980; 44: 512-517. doi:10.1136/hrt.44.5.512 [Abstract] [PDF] [Request Permissions]
	Regional left ventricular wall motion from first-pass radionuclide angiocardiography using an Anger camera. Experimental and clinical study. S Walton, E A Donaldson, D J Rowlands, R A Shields, H J Testa, and C Wrigley Br. Heart J. 1980; 44: 518-523. doi:10.1136/hrt.44.5.518 [Abstract] [PDF] [Request Permissions]
	New intervention in mitral valve prolapse. Use of cold pressor test during echocardiography. D Pitcher, M Tynan, R Wainwright, P Curry, and E Sowton Br. Heart J. 1980; 44: 524-528. doi:10.1136/hrt.44.5.524 [Abstract] [PDF] [Request Permissions]
	Atrioventricular nodal function in progressive systemic sclerosis: electrophysiological and morphological findings. N K Roberts and W R Cabeen Br. Heart J. 1980; 44: 529-533. doi:10.1136/hrt.44.5.529 [Abstract] [PDF] [Request Permissions]
	Multiple valve replacement with pericardial xenograft. Clinical and haemodynamic study. A P Tandon, W Whitaker, and M I Ionescu Br. Heart J. 1980; 44: 534-540. doi:10.1136/hrt.44.5.534 [Abstract] [PDF] [Request Permissions]
	Secondary carcinoma of left atrium simulating myxoma. A C Thomas, P G Mills, N M Gibbs, and M J Davies Br. Heart J. 1980; 44: 541-544. doi:10.1136/hrt.44.5.541 [Abstract] [PDF] [Request Permissions]
	Fibrinolytic treatment of thrombus on prosthetic heart valves. S Witchitz, C Veyrat, P Moisson, N Scheinman, and L Rozenstajn Br. Heart J. 1980; 44: 545-554. doi:10.1136/hrt.44.5.545 [Abstract] [PDF] [Request Permissions]
	Limitations of two frame method for displaying regional left ventricular wall motion in man. D L Marier and D G Gibson Br. Heart J. 1980; 44: 555-559. doi:10.1136/hrt.44.5.555 [Abstract] [PDF] [Request Permissions]
	Left ventricular dysfunction--bedside Valsalva manoeuvre. M J Zema, B Restivo, T Sos, K W Sniderman, and S Kline Br. Heart J. 1980; 44: 560-569. doi:10.1136/hrt.44.5.560 [Abstract] [PDF] [Request Permissions]
	Management of ventricular septal rupture in acute myocardial infarction. M M Khan, G C Patterson, H O O'Kane, and A A Adgey Br. Heart J. 1980; 44: 570-576. doi:10.1136/hrt.44.5.570 [Abstract] [PDF] [Request Permissions]
	Use of high kilovoltage filtered beam radiographs for detection of bronchial situs in infants and young children. J E Deanfield, R Leanage, J Stroobant, A R Chrispin, J F Taylor, and F J Macartney Br. Heart J. 1980; 44: 577-583. doi:10.1136/hrt.44.5.577 [Abstract] [PDF] [Request Permissions]
	Haemodynamic effects of haematocrit reduction in patients with polycythaemia secondary to cyanotic congenital heart disease. P J Oldershaw and M G Sutton Br. Heart J. 1980; 44: 584-588. doi:10.1136/hrt.44.5.584 [Abstract] [PDF] [Request Permissions]
	Efficacy of intravenous procainamide infusion in converting atrial fibrillation to sinus rhythm. Relation to left atrial size. S W Halpern, G Ellrodt, B N Singh, and W J Mandel Br. Heart J. 1980; 44: 589-595. doi:10.1136/hrt.44.5.589 [Abstract] [PDF] [Request Permissions]
	Detection of persistent ductus in hypoplastic left heart syndrome by contrast echocardiography. C Mortera and G Leon Br. Heart J. 1980; 44: 596-598. doi:10.1136/hrt.44.5.596 [Abstract] [PDF] [Request Permissions]
	Echocardiographic findings of floating thrombus in left atrium. K Furukawa, H Katsume, H Matsukubo, and D Inoue Br. Heart J. 1980; 44: 599-601. doi:10.1136/hrt.44.5.599 [Abstract] [PDF] [Request Permissions]
	Extreme tachycardia complicating the use of disopyramide in atrial flutter. C E Robertson and H C Miller Br. Heart J. 1980; 44: 602-603. doi:10.1136/hrt.44.5.602 [Abstract] [PDF] [Request Permissions]
	Effect of intravenous propranolol on QT interval. P E Puddu, R Jove, and J Torresani Br. Heart J. 1980; 44: 604-605. doi:10.1136/hrt.44.5.604 [PDF] [Request Permissions]
	Aortic root dissection. Y L Doi Br. Heart J. 1980; 44: 606-607. doi:10.1136/hrt.44.5.606 [PDF] [Request Permissions]