Search Results - "LARSEN, P. D"

Mechanism of cardioventilatory coupling: insights from cardiac pacing, vagotomy, and sinoaortic denervation in the anesthetized rat by Tzeng, Y C, Larsen, P D, Galletly, D C

“…Cardioventilatory coupling (CVC), a temporal alignment between the heartbeat and inspiratory activity, is a major determinant of breath-to-breath variation in…”
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Effects of hypercapnia and hypoxemia on respiratory sinus arrhythmia in conscious humans during spontaneous respiration by Tzeng, Y C, Larsen, P D, Galletly, D C

“…Normally, at rest, the amplitude of respiratory sinus arrhythmia (RSA) appears to correlate with cardiac vagal tone. However, recent studies showed that, under…”
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Suboptimal response to clopidogrel and the effect of prasugrel in acute coronary syndromes by Johnston, L.R, Larsen, P.D, La Flamme, A.C, Michel, J.M, Simmonds, M.B, Harding, S.A

“…Abstract Background High on clopidogrel platelet reactivity (HPR) has been associated with adverse outcomes following acute coronary syndromes (ACS). This…”
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Knowledge of and attitudes towards resuscitation in New Zealand high-school students by Parnell, M M, Pearson, J, Galletly, D C, Larsen, P D

“…Background: Introducing cardiopulmonary resuscitation (CPR) training in the high-school curriculum has been widely recommended as a long-term strategy to…”
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Cardioventilatory coupling in resting human subjects by Tzeng, Y. C., Larsen, P. D., Galletly, D. C.

“…In 48 conscious resting subjects we examined the temporal coupling of heart beat timing and the onset of inspiration (cardioventilatory coupling), and the…”
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Psychometric characteristics of simulation‐based assessment in anaesthesia and accuracy of self‐assessed scores by Weller, J. M., Robinson, B. J., Jolly, B., Watterson, L. M., Joseph, M., Bajenov, S., Haughton, A. J., Larsen, P. D.

“…Summary The purpose of this study was to define the psychometric properties of a simulation‐based assessment of anaesthetists. Twenty‐one anaesthetic trainees…”
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Comparison of ease of use of three automated external defibrillators by untrained lay people by Eames, P., Larsen, P.D., Galletly, D.C.

“…The use of automated external defibrillators (AED) by lay people has the potential to markedly increase survival from community cardiac arrest. Wider public…”
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Glasgow Coma Scale : variation in mortality among permutations of specific total scores by TEOH, L. S. G, GOWARDMAN, J. R, LARSEN, P. D, GREEN, R, GALLETLY, D. C

“…The objective of this study was to determine whether different score permutations of the Glasgow Coma Scale (GCS) giving the same GCS total score were…”
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Patterns of external chest compression by Larsen, P.D., Perrin, K., Galletly, D.C.

“…We studied the performance of external chest compression by 20 fourth year medical students on 2 study days, separated by 5–7 weeks, 4–8 months after they had…”
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Cardioventilatory coupling during anaesthesia by Galletly, D C, Larsen, P D

“…In 20 spontaneously breathing patients undergoing minor surgical procedures under general anaesthesia, we examined the timing relationship of heart best and…”
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Fractal characteristics of breath to breath timing in sleeping infants by Larsen, P.D, Elder, D.E, Tzeng, Y.C, Campbell, A.J, Galletly, D.C

“…We examined interbreath interval (IBI) time series of 19 term infants during active and quiet sleep for fractal properties using Fano factor analysis. For each…”
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Relationship between cardioventilatory coupling and respiratory sinus arrhythmia by Galletly, D C, Larsen, P D

“…Recent studies have suggested a role for respiratory sinus arrhythmia in improving pulmonary gas transfer. However, the physiological role of cardioventilatory…”
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Respiratory sinus arrhythmia in conscious humans during spontaneous respiration by Larsen, P.D, Tzeng, Y.C, Sin, P.Y.W, Galletly, D.C

“…Abstract Respiratory sinus arrhythmia (RSA) is the beat-to-beat fluctuation in heart rate at the frequency of the respiratory cycle. While it is common to…”
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Cardioventilatory coupling in heart rate variability: the value of standard analytical techniques by Larsen, P.D., Galletly, D.C.

“…In a group of spontaneously breathing anaesthetized subjects, we examined the ability of simple spectral and non-linear methods to detect the presence of…”
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Designing a spatially balanced, randomized site selection process for regional stream surveys : The Emap mid-Atlantic pilot study by HERLIHY, A. T, LARSEN, D. P, PAULSEN, S. G, URQUHART, N. S, ROSENBAUM, B. J

“…In 1993, the U.S. Environmental Protection Agency (EPA), as part of the Environmental Monitoring and Assessment Program (EMAP), initiated a sample survey of…”
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Cardioventilatory coupling in heart rate variability: methods for qualitative and quantitative determination by Galletly, D.C., Larsen, P.D.

“…In this study we sought to develop quantitative methods for determining the presence of cardioventilatory coupling in raw heart rate time series. The…”
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Central venous catheter-related bloodstream infections : an analysis of incidence and risk factors in a cohort of 400 patients by GOWARDMAN, J. R, MONTGOMERY, C, THIRLWELL, S, SHEWAN, J, IDEMA, A, LARSEN, P. D, HAVILL, J. H

“…To determine the incidence of central catheter-related bloodstream infection (CR-BSI) and to compare patient and catheter characteristics of those with and…”
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Inspiratory timing during anaesthesia: a model of cardioventilatory coupling by Galletly, D.C., Larsen, P.D.

“…We describe a simple model of cardioventilatory coupling in which a hypothetical inspiratory pacemaker is stimulated by a signal related to cardiac action. At…”
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Comparison of heart rate variability in supine, and left and right lateral positions by Ryan, A. D., Larsen, P. D., Galletly, D. C.

“…Summary In order to determine whether differences exist in cardiac autonomic tone between different body positions that may be used in unconscious subjects, we…”
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Cardioventilatory coupling: effects of IPPV by Larsen, P D, Trent, E L, Galletly, D C

“…Cardioventilatory coupling (CVC) is the temporal coherence of respiratory and cardiac rhythms. We have suggested that this coherence is the result of…”
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