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Abstract Objectives: IKr blockade is ineffective in preventing ventricular fibrillation elicited by the interaction between acute myocardial ischemia and elevated sympathetic ...

Cardiovascular Research, Original Article, Philip B. Adamson, Emilio Vanoli, Stephen S. Hull, Robert D. Foreman, Peter J. Schwartz

Date : 01/10/1998 Item size : 244125 bytes

Abstract With an ageing population, atrial fibrillation has become an increasing cause of hospital admission and morbidity. There are clearly some patients who benefit from implantation of these ...

Europace, Review, Andrew R.J. Mitchell, Neil Sulke

Date : 01/01/2004 Item size : 244006 bytes

Effect of heart rate on QT interval in children and adolescents. To study the effect of sympathetic stimulation and increase in heart rate on the QT and QTc intervals. Eight patients aged 10-20 ...

Heart, Research Article, S. Balaji, Y. R. Lau, P. C. Gillette

Date : 01/02/1997

Peak and mean left ventricular ejection power were measured during atrial pacing in 6 normal subjects (group I), 6 patients with coronary artery disease without myocardial infarction (group IIa), and ...

British Heart Journal, Research Article, K Hagemann, J Meyer, R von Essen, W Krebs, S Effert

Date : 01/02/1979

The expected shortening in QT interval during physiological exercise is only in part the result of the intrinsic effect of increased rate, since patients undergoing atrial pacing to comparable rates ...

British Heart Journal, Research Article, A F Rickards, J Norman

Date : 01/01/1981

A technique for long-term atrial pacing is described. Once installed, there is no requirement for further surgery to effect battery changes, and the patient can control his heart rate over a wide ...

British Heart Journal, Articles, Malcolm Clarke, David W. Evans, B. B. Milstein

Date : 08/09/2016

The patient had never received digitalis. The arrhythmia appeared to be precipitated by effort and emotional stress, and could be induced by increasing the heart rate by atrial pacing or ...

British Heart Journal, Research Article, D S Reid, M Tynan, L Braidwood, G R Fitzgerald

Date : 01/03/1975

In 9 patients with normal coronary arteries both the right and left ventricular end-diastolic pressures fell remained steady with increasing heart rate. In the remaining 14 patients with ...

British Heart Journal, Research Article, P R Roy, G E Sowton, V Di Luzio

Date : 01/05/1975

In eleven patients with normal coronary arteriograms, negative exercise tests, and no ST segment depression on the electrocardiogram, an increase in the rate of atrial pacing transiently decreased ...

British Heart Journal, Research Article, T Crake, R Canepa-Anson, L Shapiro, P A Poole-Wilson

Date : 01/01/1988

M mode echocardiography was used in 10 normal subjects to study left ventricular dimension and function variables at identical heart rates during tachycardia induced by supine bicycle exercise or ...

British Heart Journal, Research Article, L A Piérard, P W Serruys, J Roelandt, R S Meltzer

Date : 01/02/1987