NEW METHOD FOR MEASURING QRS DURATION USING HIGH-FREQUENCY ELECTROCARDIOGRAPHYBHARGAVA V; GOLDBERGER AL.1982; AMERICAN JOURNAL OF PHYSIOLOGY. HEART AND CIRCULATORY PHYSIOLOGY; ISSN 0363-6135; USA; DA. 1982; VOL. 11; NO 4; PP. 507-511; BIBL. 17 REF.Article

EFFECT OF EXERCISE ON QRS DURATION IN HEALTHY MEN: A COMPUTER ECG ANALYSISGOLDBERGER AL; BHARGAVA V.1983; JOURNAL OF APPLIED PHYSIOLOGY: RESPIRATORY, ENVIRONMENTAL AND EXERCISE PHYSIOLOGY; ISSN 0161-7567; USA; DA. 1983; VOL. 54; NO 4; PP. 1083-1088; BIBL. 11 REF.Article

NEW TECHNIQUE FOR DETECTION OF CHANGES IN QRS MORPHOLOGY OF ECG SIGNALSBLUMLEIN SL; HARVEY G; KRISHNA MURTHY V et al.1983; AMERICAN JOURNAL OF PHYSIOLOGY. HEART AND CIRCULATORY PHYSIOLOGY; ISSN 0363-6135; USA; DA. 1983; VOL. 13; NO 4; PP. H560-H566; BIBL. 26 REF.Article

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

IL VETTORCADIOGRAMMA SPAZIALE IN ATLETE PRATICANTI IL JUDO = LE VECTOCARDIOGRAMME SPATIAL CHEZ DES ATHLETES PRATIQUANT LE JUDOMOTTIRONI P; LINO A; PALAGI L et al.1982; MED. SPORT (TORINO); ISSN 0025-7826; ITA; DA. 1982; VOL. 35; NO 3; PP. 187-194; ABS. FRE/ENG; BIBL. 16 REF.Article

A ROBUST-DIGITAL QRS-DETECTION ALGORITHM FOR ARRHYTHMIA MONITORINGLIGTENBERG A; KUNT M.1983; COMPUTERS AND BIOMEDICAL RESEARCH; ISSN 0010-4809; USA; DA. 1983; VOL. 16; NO 3; PP. 273-286; BIBL. 10 REF.Article

THE MAGNITUDE OF THE ELECTROMOTIVE FORCE OF CANINE VENTRICULAR MYOCARDIUMMASHIMA S; HARUMI K; MURAO S et al.1978; CIRCUL. RES.; USA; DA. 1978; VOL. 42; NO 6; PP. 757-763; BIBL. 14 REF.Article

INTRAVENTRICULAR CONDUCTION TIME IN FETUSES BORN WITH GROWTH RETARDATIONBRAMBATI B; BONSIGNORE L.1982; BR. J. OBSTET. GYNAECOL.; ISSN 0306-5456; GBR; DA. 1982; VOL. 89; NO 11; PP. 900-903; BIBL. 35 REF.Article

QRS DURATION MEASUREMENT USING HIGH-FREQUENCY ELECTROCARDIOGRAPHY: APPLICATIONS AND LIMITATIONS OF A NEW TECHNIQUEGOLDBERGER AL; BHARGAVA V.1982; COMPUTERS AND BIOMEDICAL RESEARCH; ISSN 0010-4809; USA; DA. 1982; VOL. 15; NO 5; PP. 474-484; BIBL. 17 REF.Article

TOTAL BODY SURFACE POTENTIAL MAPPING DURING EXERCISE: QRS-T-WAVE CHANGES IN NORMAL YOUNG ADULTSMILLER WT III; SPACH MS; WARREN RB et al.1980; CIRCULATION; ISSN 0009-7322; USA; DA. 1980; VOL. 62; NO 3; PP. 632-645; BIBL. 44 REF.Article

AFFIDABILITA DIE CRITERI DI VOLTAGGIO DEL QRS NELLA DIAGNOSI DI INGRANDIMENTO VENTRICOLARE NEGLI ATLETI DI RESISTENZA: STUDIO ELETTROVETTORCARDIOGRAFICO ED ECOCARDIOGRAFICO = FIABILITE DES CRITERES DE VOLTAGE QRS DANS LE DIAGNOSTIC DE L'HYPERTROPHIE VENTRICULAIRE CHEZ LES ATHLETES D'ENDURANCE: ETUDE ELECTROVECTOCARDIOGRAPHIQUE ET ECHOCARDIOGRAPHIEZEPPILLI P; SANDRIC S; PIRRAMI MM et al.1980; MED. DELLO SPORT; ITA; DA. 1980; VOL. 33; NO 2; PP. 81-88; ABS. FRE/ENG; BIBL. 46 REF.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

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

THE QT>QS₂ SYNDROME: A NEW MORTALITY RISK INDICATOR IN CORONARY ARTERY DISEASEBOUDOULAS H; YOUNG HO SOHN; O'NEILL W et al.1982; AM. J. CARDIOL.; ISSN 0002-9149; USA; DA. 1982; VOL. 50; NO 6; PP. 1229-1235; BIBL. 24 REF.Article

AGE-ASSOCIATED CHANGE IN QRS AXIS: INTRINSIC OR EXTRINSIC AGEING.EVAN JG; PRIOR IAM; TUNBRIDGE WMG et al.1982; GERONTOLOGY (BASEL); ISSN 0304-324X; CHE; DA. 1982; VOL. 28; NO 2; PP. 132-137; BIBL. 14 REF.Article

CLASSIFICATION DES COMPLEXES QRS POUR L'ANALYSE DU RYTHME CARDIAQUE SUR UNE COURTE DUREE. METHODES ET EVALUATIONMORLET D; RUBEL P; ARNAUD P et al.1983; INNOVATION ET TECHNOLOGIE EN BIOLOGIE ET MEDECINE; ISSN 0243-7228; FRA; DA. 1983; VOL. 4; NO 3; PP. 255-266; ABS. ENG; BIBL. 13 REF.Article

AN INFRA-RED REFLECTANCE SYSTEM FOR AMBULATORY CHARACTERIZATION OF LEFT VENTRICULAR FUNCTIONBROWN TRM; MACGREGOR J.1982; J. BIOMED. ENG.; ISSN 0141-5425; GBR; DA. 1982; VOL. 4; NO 2; PP. 142-148; BIBL. 16 REF.Article

ISOAREA DISTRIBUTIONS DURING ECTOPIC STIMULATION OF ISOLATED RABBIT HEARTSMIRVIS DM.1981; J. ELECTROCARDIOL. (SAN DIEGO); ISSN 0022-0736; USA; DA. 1981; VOL. 14; NO 2; PP. 159-168; BIBL. 29 REF.Article

DESIGN AND EVALUATION OF QRS AND NOISE DETECTORS FOR AMBULATORY E.C.G. MONITORSTHAKOR NV; WEBSTER JG.1982; MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING; ISSN 0140-0118; GBR; DA. 1982; VOL. 20; NO 6; PP. 709-714; BIBL. 15 REF.Article

Delineation of the QRS complex using the envelope of the e.c.gNYGARDS, M.-E; SORNMO, L.Medical & biological engineering & computing. 1983, Vol 21, Num 5, pp 538-547, issn 0140-0118Article

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

Accuracy of computer measurements of QRS duration using spatial magnitude―agreement with human readersDOWER, G. E; BERGHOFER, D; KIELY, M et al.Computers and biomedical research. 1983, Vol 16, Num 5, pp 433-445, issn 0010-4809Article