Search Results - "Benchimol Barbosa, P. R."
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The effect of configuration parameters of time-frequency maps in the detection of intra-QRS electrical transients of the signal-averaged electrocardiogram: Impact in clinical diagnostic performance
Published in International journal of cardiology (05-11-2010)“…Abstract Time-frequency maps of signal-averaged electrocardiogram based on a short time Fourier transform (STFT) technique analysis was employed to assess the…”
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Noninvasive prognostic markers for cardiac death and ventricular arrhythmia in long-term follow-up of subjects with chronic Chagas' disease
Published in Brazilian journal of medical and biological research (01-02-2007)“…The objective of the present study was to investigate clinical, echocardiographic and electrocardiographic (12-lead resting ECG, 24-h ambulatory ECG monitoring…”
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Effect of aerobic conditioning on ventricular activation: A principal components analysis approach to high-resolution electrocardiogram
Published in Computers in biology and medicine (01-11-2013)“…Abstract Background The athlete's heart represents a reversible structural and functional adaptations of myocardial tissue developed through physical…”
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Increased troponin I blood level and in-hospital outcome across successive COVID-19 waves
Published in European heart journal (09-11-2023)Get full text
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Utility of a novel risk score for prediction of ventricular tachycardia and cardiac death in chronic Chagas disease - the SEARCH-RIO study
Published in Brazilian journal of medical and biological research (01-11-2013)“…The SEARCH-RIO study prospectively investigated electrocardiogram (ECG)-derived variables in chronic Chagas disease (CCD) as predictors of cardiac death and…”
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Markers of insulin resistance and sedentary lifestyle are predictors of preeclampsia in women with adverse obstetric results
Published in Brazilian journal of medical and biological research (01-12-2011)“…Some thrombophilias and severe preeclampsia may increase the risk for preterm deliveries and fetal death due to placental insufficiency. Our objective was to…”
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Circadian cardiac autonomic function in perinatally HIV-infected preschool children
Published in Brazilian journal of medical and biological research (01-08-2009)“…The 24-h heart rate variability and QT-interval adaptation was investigated in perinatally HIV-infected preschool children classified according to…”
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The effect of an aerobic training program on the electrical remodeling of heart high-frequency components of the signal-averaged electrocardiogram is a predictor of the maximal aerobic power
Published in Brazilian journal of medical and biological research (01-02-2007)“…Increased heart rate variability (HRV) and high-frequency content of the terminal region of the ventricular activation of signal-averaged ECG (SAECG) have been…”
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Mechanical cardiac remodeling and new-onset atrial fibrillation in long-term follow-up of subjects with chronic Chagas' disease
Published in Brazilian journal of medical and biological research (01-03-2009)“…Atrial fibrillation (AF) affects subjects with Chagas' disease and is an indicator of poor prognosis. We investigated clinical, echocardiographic and…”
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Precise T-wave endpoint detection using polynomial fitting and natural geometric approach algorithm
Published in Biomedical signal processing and control (01-02-2023)“…QT interval (QT) is defined as the distance between the beginning of the QRS complex and the end of the T-wave, and it reflects the time course of the…”
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Repolarização precoce no eletrocardiograma do atleta: bases iônicas e modelo vetorial
Published in Arquivos brasileiros de cardiologia (01-01-2004)Get full text
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Autonomic Modulation of the Heart in Systemic Arterial Hypertension
Published in Arquivos brasileiros de cardiologia (01-02-2002)“…OBJECTIVE: To analyze the heart rate variability in patients with mild to moderate systemic arterial hypertension. METHODS: Thirty-two healthy (group I) and 70…”
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Noninvasive cardiac assessment in children of women with systemic lupus erythematosus
Published in Arquivos brasileiros de cardiologia (01-11-2003)“…OBJECTIVE: Noninvasive cardiac assessment of newborns and infants of women with systemic lupus erythematosus. The children had no congenital total…”
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Analysis of the Prevalence of Ventricular Late Potentials in the Late Phase of Myocardial Infarction Based on the Site of Infarction
Published in Arquivos brasileiros de cardiologia (01-04-2002)“…OBJECTIVE: The initial site of myocardial infarction (MI) may influence the prevalence of ventricular late potentials (VLP), high-frequency signals, due to the…”
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Detection of incipient left ventricular hypertrophy in mild to moderate arterial hypertension with normal electrocardiogram and echocardiogram: a new use for signal-averaged electrocardiography
Published in Arquivos brasileiros de cardiologia (01-07-2003)“…To assess signal-averaged electrocardiogram (SAECG) for diagnosing incipient left ventricular hypertrophy (LVH). A study with 115 individuals was carried out…”
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Atrial activation during sinus rhythm in patients with rheumatic and non-rheumatic paroxysmal atrial fibrillation. Frequency-domain analysis using signal-averaged electrocardiography
Published in Arquivos brasileiros de cardiologia (01-11-2001)“…OBJECTIVE: Using P-wave signal-averaged electrocardiography, we assessed the patterns of atrial electrical activation in patients with idiopathic atrial…”
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A practical score for risk stratification of embolic stroke in hypertrophic cardiomyopathy
Published in European heart journal (02-08-2013)Get full text
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The effect of an aerobic training program on the electrical remodeling of the heart: high-frequency components of the signal-averaged electrocardiogram are predictors of the maximal aerobic power
Published in Brazilian journal of medical and biological research (01-02-2007)“…Increased heart rate variability (HRV) and high-frequency content of the terminal region of the ventricular activation of signal-averaged ECG (SAECG) have been…”
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Letalidade por doenças isquêmicas do coração no Estado do Rio de Janeiro no período de 1999 a 2003
Published in Arquivos brasileiros de cardiologia (01-06-2006)Get full text
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