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Whole heart action potential duration restitution properties in cardiac patients: a combined clinical and modelling study
Steep action potential duration (APD) restitution has been shown to facilitate wavebreak and ventricular fibrillation. The global APD restitution properties in cardiac patients are unknown. We reportExpand
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Occupational exposures in California wildland fire fighting.
Industrial hygiene measurement of exposures to wildland fire fighters was conducted in northern California during three consecutive fire seasons (1986-1989) in conjunction with three separate healthExpand
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A cortical potential reflecting cardiac function
Emotional trauma and psychological stress can precipitate cardiac arrhythmia and sudden death through arrhythmogenic effects of efferent sympathetic drive. Patients with preexisting heart disease areExpand
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Evidence for Multiple Mechanisms in Human Ventricular Fibrillation
Background— The mechanisms that sustain ventricular fibrillation (VF) in the human heart remain unclear. Experimental models have demonstrated either a periodic source (mother rotor) or multipleExpand
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Mental stress and sudden cardiac death: asymmetric midbrain activity as a linking mechanism.
Patients with specific neurological, psychiatric or cardiovascular conditions are at enhanced risk of cardiac arrhythmia and sudden death. The neurogenic mechanisms are poorly understood. However, inExpand
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Treatment of anaemia after joint replacement. A double-blind, randomised, controlled trial of ferrous sulphate versus placebo.
After total hip and knee replacement arthroplasty, patients may become anaemic and may be prescribed oral iron. There is, however, no published evidence that this is of benefit when usedExpand
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Acute ischaemia: a dynamic influence on QT dispersion
BACKGROUND The aim of this study was to test the hypothesis that acute myocardial ischaemia increases QT dispersion measured from the 12-lead electrocardiogram. METHODS Incremental atrial pacingExpand
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The Effect of Mental Stress on the Non-Dipolar Components of the T Wave: Modulation by Hypnosis
Objective: Mental or emotional stress-induced ventricular arrhythmias and sudden cardiac death are thought to be mediated by the autonomic nervous system and ischemia. In the absence of ischemia,Expand
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Evidence for Long-Range Effects in Density-Dependent Inhibition of Proliferation (DDIP) in 3T3 Cells
Summary Nonhomogeneously seeded monolayer cultures of 3T3 cells were labelled for 6 h with 3 H-TdR and the proportion of labelled cells in different parts of each culture system examined inExpand
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