Conference Paper

The University of Glasgow (Uni-G) ECG analysis program

Sect. of Cardiology & Exercise Medicine, Glasgow Univ.
DOI: 10.1109/CIC.2005.1588134 Conference: Computers in Cardiology, 2005
Source: IEEE Xplore


The University of Glasgow 12/15 lead ECG analysis program has been in continuous development for over 20 years. It has been adapted to meet the needs of different users and keep abreast of changes in terminology as well as new morphological features described in the literature. It is applicable to neonates as well as adults and takes account of racial variation in wave amplitudes. It has a capability for comparing serially recorded ECGs using one of two different approaches. The many varying features of the software have led to the introduction of the descriptor Uni-G (unique) ECG analysis program

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Conference Paper: The University of Glasgow (Uni-G) ECG analysis program

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    • "The measurements of P wave duration, QRS duration, corrected QT interval, PQ interval and P wave terminal force in lead V 1 were performed automatically using the University of Glasgow 12-lead ECG analysis algorithm [17]. P wave duration, QRS duration, corrected QT interval and PQ interval were measured in ms. "
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    ABSTRACT: Paroxysmal atrial fibrillation (AF) may be underdiagnosed in ischemic stroke patients but may be pivotal for initiation of oral anticoagulation therapy. We assessed clinical and ECG predictors of new-onset AF during 10-year follow-up (FU) in ischemic stroke patients. The study sample comprised of 227 first-ever ischemic stroke patients without AF (median age 73, interquartile range 25%-75% 63-80years, 92 female) and 1:1 age- and gender-matched controls without stroke and AF enrolled in the Lund Stroke Register from March 2001 to February 2002. New-onset AF during FU was assessed by screening through regional ECG database and by record linkage with Swedish National Patient Register. The standard 12-lead sinus rhythm ECGs at stroke admission were retrieved from electronic database and digitally processed. Clinical baseline characteristics were studied using medical records. During FU, AF was found in 39 stroke patients and 30 controls, p=0.296. In stroke patients in multivariate Cox regression analysis AF was associated with hypertension (HR 3.45 CI 95% 1.40-3.49, p=0.007) and QRS duration (HR 1.02 CI 95% 1.00-1.03, p=0.049). High cardiovascular risk was predictive for AF development: for CHADS2≥4 HR 2.46 CI 95% 1.45-4.18, p=0.001 and for CHA2DS2-VASc≥5 HR 2.29 CI 95% 1.43-3.68, p=0.001. New onset AF was not associated with baseline ischemic stroke: HR 1.46 95% CI 0.90-2.35, p=0.121. High CHADS2 and CHA2DS2-VASc scores, but not baseline ischemic stroke, predict new onset AF in FU. QRS duration might be considered a potential risk marker for prediction of AF after ischemic stroke. Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.
    International journal of cardiology 07/2015; 199:248-252. DOI:10.1016/j.ijcard.2015.07.047 · 4.04 Impact Factor
    • "Each centre was provided with a Cardiac Science Burdick Atria 6100 electrocardiograph, which was capable of recording all leads of a 12 lead ECG simultaneously at 500 samples per second. Each machine was also linked to a PC for downloading the ECGs to a proprietary database (Cardiovue) from which ECGs could subsequently be transferred to the University of Glasgow ECG core lab for processing using the University of Glasgow software [4] [5]. A training course on ECG recording was held in Roorkee, India in May 2008 and representatives of all three participating Indian centres were present in order to ensure a standardised approach to recording the ECG and accompanying demographic data. "
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    ABSTRACT: Aims: The objective of the study was to develop normal limits of the ECG in an apparently healthy population of South Asians living in India. Methods: Three centres contributed to recording 12 lead ECGs on identical digital electrocardiographs. Apparently healthy volunteers were recruited and ECGs were first transferred to a local database and then to Glasgow where all ECGs were analysed by the same University of Glasgow ECG Interpretation Program. Results: A total of 963 individuals were recruited into the study (30.4% female) with an age range of 18-83 years. QRS duration was longer in males than females, QT interval was longer in females than males, and QRS voltages in general were higher in males than females and in younger compared to older individuals. Conclusion: Findings in general paralleled those in other populations and suggested that criteria for a white Caucasian population could be applied to a South Asian Indian population.
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    • "A prerequisite for invoking the use of the criteria was set as the presence of a STEMI and identification of the site of the STEMI e.g. inferior, anteroseptal etc., as determined by the current version of the Glasgow 12-lead resting ECG analysis program [7]. The STEMI criteria were based on the definitions by the American College of Cardiology and the European Society of Cardiology [8] with enhancements to use age and gender dependent criteria. "
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    ABSTRACT: The aim of this study was to develop, implement and evaluate criteria for automated detection of the culprit artery in patients with an acute myocardial infarction. ECG and PCI data was retrospectively gathered in Zealand, Denmark, from patients who had presented with symptoms suggesting an acute coronary syndrome, had a prehospital ECG recorded, had PCI on the same day as the ECG recording, and were subsequently identified as having single vessel disease. 307 patients were selected (218 male, 89 female, mean age 61.8 ± 12.3 years) as a training set. ECG criteria were designed to locate the culprit artery based on the location of ST deviation. The training set was used to optimise the criteria which were then incorporated into the Glasgow ECG analysis program. The ECGs were analysed using the enhanced software and the suspected culprit artery for each ECG was identified. The sensitivity and specificity of identifying each type of occlusion was calculated, using the location determined from the coronary angiogram as the gold standard. The SE and SP for a report of LAD was 69% and 94%, for RCA was 64% and 94% and for LCX was 57% and 96%. In conclusion the detection of the culprit artery from an ECG can be automated with an acceptable degree of accuracy.
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