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Accuracy of pulse interval timing in ambulatory blood pressure measurement (2016)
Journal Article
Kane, S. A., Blake, J. R., McArdle, F. J., Langley, P., & Sims, A. J. (2016). Accuracy of pulse interval timing in ambulatory blood pressure measurement. Scientific reports, 6(1), Article 37472. https://doi.org/10.1038/srep37472

Blood pressure (BP) monitors rely on pulse detection. Some blood pressure monitors use pulse timings to analyse pulse interval variability for arrhythmia screening, but this assumes that the pulse interval timings detected from BP cuffs are accurate... Read More about Accuracy of pulse interval timing in ambulatory blood pressure measurement.

A study on stability analysis of atrial repolarization variability using ARX model in sinus rhythm and atrial tachycardia ECGs (2016)
Journal Article
Sivaraman, J., Uma, G., Langley, P., Umapathy, M., Venkatesan, S., & Palanikumar, G. (2016). A study on stability analysis of atrial repolarization variability using ARX model in sinus rhythm and atrial tachycardia ECGs. Computer Methods and Programs in Biomedicine, 137, 341-351. https://doi.org/10.1016/j.cmpb.2016.10.005

© 2016 Elsevier Ireland Ltd Background The interaction between the PTa and PP interval dynamics from the surface ECG is seldom explained. Mathematical modeling of these intervals is of interest in finding the relationship between the heart rate and r... Read More about A study on stability analysis of atrial repolarization variability using ARX model in sinus rhythm and atrial tachycardia ECGs.

The atrial T wave: The elusive electrocardiographic wave exposed by a case of shifting atrial pacemaker (2016)
Journal Article
Langley, P., & Caldwell, J. (2016). The atrial T wave: The elusive electrocardiographic wave exposed by a case of shifting atrial pacemaker. Journal of Electrocardiology, 49(4), 557-559. https://doi.org/10.1016/j.jelectrocard.2016.05.003

The atrial T wave (Ta wave) is the body surface manifestation of atrial repolarisation and, unlike the P wave (atrial depolarisation), is little recognised. We report the case of a patient with shifting pacemaker which clearly demonstrates the effect... Read More about The atrial T wave: The elusive electrocardiographic wave exposed by a case of shifting atrial pacemaker.

Opportunistic detection of atrial fibrillation using blood pressure monitors: a systematic review (2016)
Journal Article
Kane, S. A., Blake, J. R., McArdle, F. J., Langley, P., & Sims, A. J. (2016). Opportunistic detection of atrial fibrillation using blood pressure monitors: a systematic review. Open heart, 3(1), e000362. https://doi.org/10.1136/openhrt-2015-000362

Background: Atrial Fibrillation (AF) affects around 2% of the population and early detection is beneficial, allowing patients to begin potentially life-saving anticoagulant therapies. Blood pressure (BP) monitors may offer an opportunity to screen fo... Read More about Opportunistic detection of atrial fibrillation using blood pressure monitors: a systematic review.

A non-invasive, home-based EEG hypoglycaemia warning system for personal monitoring using skin surface electrodes : a single-case feasibility study (2016)
Journal Article
Clewett, C. J., Langley, P., Bateson, A. D., Asghar, A., & Wilkinson, A. J. (2016). A non-invasive, home-based EEG hypoglycaemia warning system for personal monitoring using skin surface electrodes : a single-case feasibility study. Health Technology Letters, 3(1), 2-5. https://doi.org/10.1049/htl.2015.0037

Hypoglycaemia unawareness is a common condition associated with increased risk of severe hypoglycaemia. The purpose of the authors' study was to develop a simple to use, home-based and non-invasive hypoglycaemia warning system based on electroencepha... Read More about A non-invasive, home-based EEG hypoglycaemia warning system for personal monitoring using skin surface electrodes : a single-case feasibility study.

Abnormal heart sounds detected from short duration unsegmented phonocardiograms by wavelet entropy (2016)
Presentation / Conference Contribution
Langley, P., & Murray, A. Abnormal heart sounds detected from short duration unsegmented phonocardiograms by wavelet entropy

© 2016 CCAL. Segmentation of the characteristic heart sounds is thought to be an essential requirement for the automatic classification of phonocardiograms. The aim of this work was to test the feasibility of classification using short duration, unse... Read More about Abnormal heart sounds detected from short duration unsegmented phonocardiograms by wavelet entropy.

The U wave in atrial fibrillation (2016)
Presentation / Conference Contribution
Langley, P., Bourke, J. P., & Murray, A. The U wave in atrial fibrillation. Presented at 2015 Computing in Cardiology Conference (CinC)

The U wave in ECGs of patients is difficult to observe because it is hidden under the atrial fibrillatory wave. Measurement and characteristics of the U wave in atrial fibrillation have not previously been described. Beat averaging was used to reveal... Read More about The U wave in atrial fibrillation.