Evaluation of the QRS complex on the standard 12-lead electrocardiogram in normal subjects 70 to 79 years of ageWAGNER, N. B; SCHOCKEN, D. D; LEE, L et al.The American journal of cardiology. 1988, Vol 62, Num 13, pp 982-985, issn 0002-9149Article

Age-related changes in the magnitude of ventricular depolarization vector : Analyses by magnetocardiogramMIYAJIMA, H; NOMURA, M; NADA, T et al.Journal of electrocardiology. 2000, Vol 33, Num 1, pp 31-35, issn 0022-0736Article

Prominent anterior QRS forces: clinical, electrocardiographic and prospective studyPAPARELLA, N; ALBONI, P; SAPIGNI, T et al.Journal of electrocardiology. 1987, Vol 20, Num 3, pp 233-240, issn 0022-0736Article

Tachycardies à complexes QRS fins : Urgences rythmiques = Narrow QRS tachycardiaFRANK, Robert.La Revue du praticien (Paris). 2004, Vol 54, Num 3, pp 251-257, issn 0035-2640, 7 p.Article

Practical limitations for the estimation of P-wave and QRS-complex occurrence timesROMPELMAN, O; JANSSEN, R. J; KOELEMAN, A. S. M et al.Automedica (New York). 1986, Vol 6, Num 4, pp 269-284, issn 0095-0963Article

Towards a generalized scheme for QRS detection in ECG waveformsGRITZALI, F.Signal processing. 1988, Vol 15, Num 2, pp 183-192, issn 0165-1684Article

Prognostic value of the simplified Selvester QRS score in patients with coronary artery diseaseBOUNOUS, E. P. JR; CALIFF, R. M; HARRELL, F. E. JR et al.Journal of the American College of Cardiology. 1988, Vol 11, Num 1, pp 35-41, issn 0735-1097Article

Variation in the precordial QRS transition zone in normal subjectsHORAN, L. G; SRIDHARAN, M. R; HAND, R. C et al.Journal of electrocardiology. 1988, Vol 21, Num 1, pp 25-29, issn 0022-0736Article

ANN-based QRS-complex analysis of ECGVIJAYA, G; KUMAR, V; VERMA, H. K et al.Journal of medical engineering & technology. 1998, Vol 22, Num 4, pp 160-167, issn 0309-1902Article

Power spectrum of the QRS complex in patients with panic disorder and normal controlsYERAGANI, V. K; BERGER, R; SONGER, D. A et al.Psychiatry research. 1997, Vol 66, Num 2-3, pp 167-174, issn 0165-1781Article

Sex- and age-related normal limits for the QRS complex in vectorcardiographyEDENBRANDT, L; JONSON, B; LUNDH, B et al.Clinical physiology (Oxford). 1987, Vol 7, Num 6, pp 525-536, issn 0144-5979Article

QRS Axis Validation in Clinical ElectrocardiographySPODICK, David H; FRISELLA, Mary; APIYASSAWAT, Sirin et al.The American journal of cardiology. 2008, Vol 101, Num 2, pp 268-269, issn 0002-9149, 2 p.Article

Normal electrocardiograms. Part 2. Some common and usually normal ECG variationsO'CONNOR, S.Current therapeutics. 1999, Vol 40, Num 11, pp 85-87, issn 0311-905XArticle

Variation in the T/QRS ratio of fetal electrocardiograms recorded during labour in normal subjectsNEWBOLD, S; WHEELER, T; CLEWLOW, F et al.British journal of obstetrics and gynaecology (Print). 1989, Vol 96, Num 2, pp 144-150, issn 0306-5456Article

Quantitative measurement of normal and excessive (cor adiposum) subepicardial adipose tissue, its clinical significance, and its effect on electrocardiographic QRS voltageSHIRANI, J; BEREZOWSKI, K; ROBERTS, W. C et al.The American journal of cardiology. 1995, Vol 76, Num 5, pp 414-418, issn 0002-9149Article

On the detection of QRS variations in the ECGSHAW, G. R; SAVARD, P.IEEE transactions on biomedical engineering. 1995, Vol 42, Num 7, pp 736-741, issn 0018-9294Article

Premature escape beats : a model for triggered activity in the intact heart ?VOS, M. A; GORGELS, A. P. M; DE WIT, B et al.Circulation (New York, N.Y.). 1990, Vol 82, Num 1, pp 213-224, issn 0009-7322Article

Assessment of the terminal 40-millisecond QRS vector in children with a history of tricyclic antidepressant ingestionBERKOVITCH, M; MATSUI, D; FOGELMAN, R et al.Pediatric emergency care. 1995, Vol 11, Num 2, pp 75-77, issn 0749-5161Article

ANN compression of morphologically similar ECG complexesHAMILTON, D. J; THOMSON, D. C; SANDHAM, W. A et al.Medical & biological engineering & computing. 1995, Vol 33, Num 6, pp 841-843, issn 0140-0118Article

Value of electrocardiographic leads MCL₁, MCL₆ and other selected leads in the diagnosis of wide QRS complex tachycardiaDREW, B. J; SCHEINMAN, M. M.Journal of the American College of Cardiology. 1991, Vol 18, Num 4, pp 1025-1033, issn 0735-1097Article

QRS onset and offset detection accuracy improvement by additional spatial information in body surface potential mapsGANG SUN; THOMAS, C. W; LIEBMAN, J et al.Journal of electrocardiology. 1990, Vol 23, Num 4, pp 293-300, issn 0022-0736Article

Clinical significance of high frequency QRS potentials in myocardial infarction: analysis based on power spectrum of lead IIITALWAR, K. K; GITA SUBBA RAO; USHA NAYAR et al.Cardiovascular research. 1989, Vol 23, Num 1, pp 60-63, issn 0008-6363Article

Development and validation of an automated method of the Selvester QRS scoring system for myocardial infarct sizePOPE, J. E; WAGNER, N. B; DUBOW, D et al.The American journal of cardiology. 1988, Vol 61, Num 10, pp 734-738, issn 0002-9149Article

Evaluation of a QRS scoring system for estimating myocardial infarct size. VI: Identification of screening criteria for non-acute myocardial infarctsANDERSON, W. D; WAGNER, N. B; LEE, K. L et al.The American journal of cardiology. 1988, Vol 61, Num 10, pp 729-733, issn 0002-9149Article

An attribute grammar for QRS detectionPAPAKONSTANTINOU, G; SKORDALAKIS, E; GRITZALI, F et al.Pattern recognition. 1986, Vol 19, Num 4, pp 297-303, issn 0031-3203Article