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Browsing publications by Dr Philip Langley.

Newcastle AuthorsTitleYearFull text
Sarah Whitbourn
Dr James Blake
Dr Frank McArdle
Dr Philip Langley
Dr Andrew Sims
et al.
Accuracy of pulse interval timing in ambulatory blood pressure measurement2016
Dr Daniel Raine
Dr Philip Langley
Dr Ewan Shepherd
Dr Stephen Lord
Dr Steve Murray
et al.
Effect of catheter ablation on quality of life in patients with atrial fibrillation and its correlation with arrhythmia outcome2015
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
The U Wave in Atrial Fibrillation2015
Wenfeng Duan
Dr Ding Chang Zheng
Dr Christopher Eggett
Dr Philip Langley
Professor Alan Murray
et al.
Development of Techniques for Measurement of Left Ventricular Ejection Time2014
Dr Matthew Dewhurst
Dr Luigi Di Marco
Dr Felicity Dewhurst
Dr Philip Adams
Professor Alan Murray
et al.
Electrocardiographic Reference Values for a Population of Older Adults in Sub-Saharan Africa2014
Luigi Di Marco
Costanzo Di Maria
Dr Wing Tong
Professor Michael Taggart
Professor Steve Robson
et al.
Recurring patterns in stationary intervals of abdominal uterine electromyograms during gestation2014
Dr Luigi Di Marco
Dr Daniel Raine
Dr John Bourke
Dr Philip Langley
Recurring patterns of atrial fibrillation in surface ECG predict restoration of sinus rhythm by catheter ablation2014
Costanzo Di Maria
Wenfeng Duan
Marjan Bojarnejad
Fan Pan
Susan King
et al.
An algorithm for the analysis of fetal ECGs from 4-channel non-invasive abdominal recordings2013
Dr Luigi Di Marco
Dr Daniel Raine
Dr John Bourke
Dr Philip Langley
Characteristics of atrial fibrillation cycle length predict restoration of sinus rhythm by catheter ablation2013
Dr Philip Langley
Dr Matthew Dewhurst
Dr Philip Adams
Dr Felicity Dewhurst
Professor Richard Walker
et al.
Accuracy of algorithms for detection of atrial fibrillation from short duration beat interval recordings2012
Wenfeng Duan
Dr Ding Chang Zheng
Dr Philip Langley
Professor Alan Murray
Calculating stable reference potentials for measuring ECG wave amplitudes across a range of heart rates2012
Wenfeng Duan
Marjan Bojarnejad
Dr Ding Chang Zheng
Susan King
Professor Alan Murray
et al.
Evalation of an algorithm based on single-condition decision rules for binary classification of 12-lead ambulatory ECG recording quality2012
Marjan Bojarnejad
Susan King
Wenfeng Duan
Costanzo Di Maria
Dr Ding Chang Zheng
et al.
Robust prediction of patient mortality from 48 hour intensive care unit data2012
Luigi Di Marco
Dr John Bourke
Dr Philip Langley
Spatial complexity and spectral distribution variability of atrial activity in surface ECG recordings of atrial fibrillation2012
Dr John Bourke
Professor Alan Murray
Dr Philip Langley
Spatial Pattern of P Waves in Paroxysmal Atrial Fibrillation Patients in Sinus Rhythm and Controls2012
Dr Philip Langley
Costanzo Di Maria
Wenfeng Duan
Marjan Bojarnejad
Dr Ding Chang Zheng
et al.
An algorithm for assessment of quality of ECGs acquired via mobile telephones2011
Professor Alan Murray
Dr Philip Langley
Heart rate and blood pressure interactions during attempts to consciously raise or lower heart rate and blood pressure in normotensive subjects2011
Wenfeng Duan
Dr Ding Chang Zheng
Dr Philip Langley
Professor Alan Murray
The relationship between the occurrence of the U wave and both the electrical and mechanical timing sequence2011
Dr Philip Langley
Dr Guy MacGowan
Professor Alan Murray
Circadian variation of human ventricular fibrillation dominant frequency2010
Dr Philip Langley
Susan King
Dr Ding Chang Zheng
Roberto Giovannini
Marjan Bojarnejad
et al.
Estimation of missing data in multi-channel physiological time-series by reference timing channel and average substitution2010
Dr Philip Langley
Emma Bowers
Professor Alan Murray
Principal Component Analysis as a Tool for Analyzing Beat-to-Beat Changes in ECG Features: Application to ECG-Derived Respiration2010
Dr Philip Langley
Professor Alan Murray
Computer algorithm for tracking ECG spectral dynamics in ventricular tachyarrhythmias2009
Dr Philip Langley
Susan King
Dr Ding Chang Zheng
Emma Bowers
Professor John Allen
et al.
Predicting acute hypotensive episodes from mean arterial pressure2009
Dr Philip Langley
Dr Guy MacGowan
Professor Alan Murray
Spatial and temporal organization of the dominant frequencies in the fibrillating heart: body surface potential mapping in a rare case of sustained human ventricular fibrillation2009
Dr Philip Langley
Dr Susan Hodgson
Dr John Bourke
Professor Tanja Pless-Mulloli
Arrhythmogenic and ischemic effects of particulate air pollution on patients with cardiac disease; preliminary analysis of ECG parameters2008
Professor Alan Murray
Dr Ding Chang Zheng
Emma Bowers
Dr Philip Langley
Susan King
et al.
Physiological causes of variability in blood pressure measurement2008
Emma Bowers
Professor Alan Murray
Dr Philip Langley
Respiratory rate derived from principal component analysis of single lead electrocardiogram2008
Dr Ding Chang Zheng
Sam Stevens
Dr Philip Langley
Kun Wang
Abigail Haigh
et al.
T-Wave Alternans: A comparison of different measurement techniques2008
Dr Philip Langley
Dr Alan Murray
Analysis of the atrial repolarisation phase of the electrocardiogram in health and in atrial fibrillation2007
Susan King
Abigail Haigh
Dr Annette Klinge
Dr Ding Chang Zheng
Sam Stevens
et al.
Body Surface Potential Mapping for Detection of Myocardial Infarct Sites2007
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Comparison of magnetocardiography and electrocardiography2007
Abigail Haigh
Professor Alan Murray
Dr Philip Langley
Separating the atrial and ventricular components in atrial fibrillation. Are 64 leads better than 12?2007
Dr Philip Langley
Professor Alan Murray
Spatial frequency characteristics of body surface potentials during atrial fibrillation2007
Dr Philip Langley
Professor Alan Murray
Analysis of surface electrocardiograms in atrial fibrillation: Techniques, research, and clinical applications2006
Dr Philip Langley
Professor Alan Murray
Comparison of atrial signal extraction algorithms in 12-lead ECGs with atrial fibrillation2006
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Comparison of magnetocardiography and electrocardiography: A study of automatic measurement of dispersion of ventricular repolarization2006
Abigail Haigh
Professor Alan Murray
Dr Philip Langley
Feasibility of separating the atrial and ventricular components of the electrocardiogram2006
Dr Philip Langley
Dr Fiona Smith
Dr Dingchang Zheng
Abigail Haigh
Professor Alan Murray
et al.
Fully automated computer measurement of QT interval from the 12-lead electrocardiogram2006
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Effect of channel exclusion for the automatic measurement of QT dispersion in multichannel magnetocardiograms2005
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Effect of channel exclusion for the automatic measurement of QT dispersion in multichannel magnetocardiograms2005
Abigail Haigh
Professor Alan Murray
Dr Philip Langley
Separation of atrial and ventricular components of body surface potentials in atrial fibrillation using principal component analysis: A computer modelling study2005
Dr Fiona Smith
Abigail Haigh
Joanne Wild
Emma Bowers
Professor John Allen
et al.
Study of the causes of blood pressure variability during manual sphygmomanometer measurement2005
Dr Daniel Raine
Dr Philip Langley
Professor Alan Murray
Dr Stephen Furniss
Dr John Bourke
et al.
Surface atrial frequency analysis in patients with atrial fibrillation: Assessing the effect of two standard linear ablation lesions sited in the left atrium2005
Dr Daniel Raine
Dr Philip Langley
Professor Alan Murray
Dr Stephen Furniss
Dr John Bourke
et al.
Surface atrial frequency analysis in patients with atrial fibrillation: Assessing the effects of linear left atrial ablation2005
Dr Philip Langley
Professor John Allen
Emma Bowers
Dr Michael Drinnan
Abigail Haigh
et al.
The ebb and flow of heart rate variability: Simulation of 24 hour heart rate time series using time series data from naturally occurring phenomena2005
Dr Philip Langley
Professor John Allen
Emma Bowers
Dr Michael Drinnan
Susan King
et al.
Analysis of RR Interval and Fibrillation Frequency and Amplitude for Predicting Spontaneous Termination of Atrial Fibrillation.2004
Dr Philip Langley
Professor Alan Murray
Atrial signal amplitude in healthy subjects and patients with atrial fibrillation from the 12-lead ECG2004
Dr Philip Langley
Professor Alan Murray
Effect of premature ventricular beats on manual and automatic repolarization measurements2004
Dr Fiona Smith
Dr Philip Langley
Professor Alan Murray
Magnetocardiography for pharmacology safety studies requiring high patient throughput and reliability2004
Dr Daniel Raine
Dr Philip Langley
Professor Alan Murray
Dr John Bourke
Surface atrial frequency analysis in patients with atrial fibrillation: A tool for evaluating the effects of intervention2004
Dr Philip Langley
Emma Bowers
Dr Michael Drinnan
Professor John Allen
Dr Andrew Sims
et al.
An algorithm to distinguish ischaemic and non-ischaemic ST changes in the Holter ECG2003
Dr Philip Langley
Emma Bowers
Nicola Brown
Dr Michael Drinnan
Professor John Allen
et al.
An algorithm to distinguish ischemic and non-ischaemic ST changes in the Holter ECG2003
Dr Philip Langley
Professor Alan Murray
Analysis of spatial variation in the atrial fibrillation frequency from the multi-channel magnetocardiogram2003
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Comparison of automatic repolarization measurement techniques in the normal magnetocardiogram2003
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Comparison of cardiac magnetic field distributions during depolarization and repolarization2003
Dr Philip Langley
Dr Daniel Raine
Dr Stephen Furniss
Dr John Bourke
Professor Alan Murray
et al.
Computer assisted characterization of rapid repetitive electrical activations in the pulmonary veins during atrial fibrillation2003
Dr Philip Langley
Dr Daniel Raine
Dr John Bourke
Dr Stephen Furniss
Pulmonary vein activity during persistent atrial fibrillation2003
Dr Philip Langley
Professor Alan Murray
Reconstruction of atrial signals derived from the 12-lead ECG using atrial signal extraction techniques2003
Dr Philip Langley
Spatial variations in the atrial fibrillation frequency in the multi-channel magnetocardiogram2003
Dr Daniel Raine
Dr Philip Langley
Dr Alan Murray
Dr John Bourke
Surface 12-lead electrocardiogram waveform analysis in patients with atrial fibrillation: a tool for evaluating the effects of intervention?2003
Dr Philip Langley
Professor Alan Murray
Cardiac repolarisation can be detected as an ordered spatialprocess on the body surface2002
Dr Philip Langley
Comparison of atrial rhythm extraction techniques for the estimation of the main atrial frequency from the 12-lead electrocardiogram in atrial fibrillation2002
Professor Alan Murray
Dr Philip Langley
Dr Fiona Smith
Professor John Allen
Dr Clive Griffiths
et al.
Contributions of cardiovascular physics and engineering to the solution of clinical problems2002
Professor Alan Murray
Dr Philip Langley
Dr Tom Olbrich
Dr Clive Griffiths
Dr Andrew Sims
et al.
Contributions of cardiovascular physics and engineering to the solution of clinical problems2002
Professor Alan Murray
Dr Philip Langley
Dr Fiona Smith
Dr Clive Griffiths
Dr Andrew Sims
et al.
Contributions of cardiovascular physics and engineering to the solution of clinical problems2002
Dr Philip Langley
Professor Alan Murray
Effect of changes in heart rate and in action potential duration on the electrocardiogram T wave shape2002
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Effects of filtering on automatic repolarisation measurements using magnetocardiography2002
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Errors in repolarization measurement using magnetocardiography2002
Dr Fiona Smith
Dr Emma Bowers
Dr Philip Langley
Professor John Allen
Professor Alan Murray
et al.
Heart rate variability characteristics required for simulation of interval sequences2002
Dr Philip Langley
Professor Alan Murray
Quantification of T wave shape changes following exercise2002
Dr Emma Bowers
Dr Philip Langley
Dr Michael Drinnan
Professor John Allen
Dr Fiona Smith
et al.
Simulation of cardiac interval time series2002
Dr Philip Langley
Professor John Dark
Professor Alan Murray
Variability of body surface impedance measurements in cardiac transplant patients and normal subjects2002
Dr Philip Langley
Professor John Allen
Dr Emma Bowers
Dr Fiona Smith
Can paroxysmal atrial fibrillation be predicted?2001
Dr Philip Langley
Professor Alan Murray
Clinical evaluation of new automated QT measurement techniques2001
Dr Philip Langley
Professor Alan Murray
Effect of lead exclusion for the manual measurement of QT dispersion2001
Dr Philip Langley
Professor Alan Murray
Effect of ventricular ectopic beats on ventricular repolarisation measurements2001
Dr Fiona Smith
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Relation between spatial properties of repolarisation rnterval and T-wave amplitude using magnetocardiography2001
Dr Michael Drinnan
Professor John Allen
Dr Philip Langley
Professor Alan Murray
Detection of sleep apnoea from frequency analysis of heart rate variability2000
Dr Philip Langley
Professor Alan Murray
Dispersion of QT intervals: A measure of dispersion of repolarization or simply a projection effect?2000
Dr Philip Langley
Dr John Bourke
Professor Alan Murray
Frequency analysis of atrial fibrillation2000
Dr Philip Langley
Professor John Dark
Professor Alan Murray
QT dispersion analysis of a transplant assessment group2000
Dr Philip Langley
Professor Alan Murray
The relationship between QT-dispersion and T-wave symmetry2000
Dr Philip Langley
Professor Alan Murray
Comparison of three measures of QT dispersion1999