Electrocardiogram and QRS duration
Electrocardiogram derived QRS duration associations with elevated central aortic systolic pressure (CASP) in a rural Australian population
... associated with more advanced aging, it is not surpris- ing to find an elevated CASP in our cohort. We acknowledge our sample size was small and there- fore, the validity of the signal averaged ECG QRS dur- ation ...
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Systolic blood pressure but not electrocardiogram QRS duration is associated with heart rate variability (HRV): a cross-sectional study in rural Australian non-diabetics
... in QRS duration [6]. QRS duration >120 msec has been used as a bio-marker for increased cardiac risk in large epidemiological studies such as the Framingham Off-Spring Study ...both QRS ...
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Normal values of the ventricular gradient and QRS-T angle, derived from the pediatric electrocardiogram
... Fig. 1 displays the ECG variables as measured in all subjects of the study group as age-dependent scatter plots. These fi gures also contain the curves of the estimated medians and 2nd and 98th percentiles with their 95% ...
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Study of QRS duration and R/Q Ratio in the Assessment of Severity of Acute Myocardial Infarction
... A QRS of < 0.09 seconds on admission electrocardiogram is indicate of a relative benign outcome compared with a QRS duration of ...prolonged QRS duration on admission is ...
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Real time electrocardiogram QRS detection using combined adaptive threshold
... All 48 ECG recordings of MIT-BIH Arrhythmia database were used, without exception. Each one has a duration of 30 min and includes two leads – the modified limb lead II and one of the modified leads V1, V2, V4 or ...
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On the Post-Design Aspects of Human/Animal Electrocardiogram P-QRS-T Detection Algorithms
... long duration ECG PQRST events with a processing complexity less than 1300 clock/samples and an accuracy of more than ...of QRS complexes, a noise-robust instantaneous concavity analysis was ...the ...
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Determination the Normal Parameters (amplitude and duration) of Electrocardiogram Waves in River Buffaloes (Bubalus Bubalis) of Khuzestan
... of electrocardiogram in 100 clinically healthy buffaloes of different ages and ...examination, electrocardiogram was obtained based on base - apex lead system with the paper speed of 25mm sec-1 and ...
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Relationship between Left Ventricular Ejection Fraction and Fragmented QRS Complexes on Standard 12-Lead Electrocardiogram in Acute ST-Elevation Myocardial Infarction
... With the advent of promising therapies, acute myocardial infarction has a higher life expectancy, chance for rapid recovery and good promising outcomes. Despite new therapies, poor outcome may still occur because Acute ...
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Morphology of the Electrocardiogram
... The QT interval represents the sum of depolarization (QRS complex) and repolarization (ST segment and T wave) (Fig. 1.1). Very often, particularly in cases of a flat T wave or in the presence of a U wave, it is ...
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Classification of Electrocardiogram Anomalies
... wave, QRS complex, and T ...atrium, QRS- the ventricles, and T wave - the re-polarization of the ventri- ...of QRS/P, QRS/T, temporal (duration) ratio of QRS/P, and ...
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Electrocardiogram and Heart Sounds
... Heart rate (beats / minute) = 60 time interval (seconds) Exercise 2: ECG for a range of volunteers Compare the duration and amplitude of the P waves, QRS complexes and T waves between those in your group ...
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Detection of electrocardiogram QRS complex based on modified adaptive threshold
... analyze Electrocardiogram (ECG ...the QRS complex. A modified approach is suggested in this work for QRS detection of ECG signals using existing database of ...improve QRS complex detection ...
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Data Fusion for QRS Complex Detection in Multi-Lead Electrocardiogram Recordings
... Heart diseases are the main cause of death worldwide, being responsible for over 7 million fatalities per year. 1 The diagnose of these illnesses begins with the analysis of the electrocardiographic (ECG) signal. This ...
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Association between QRS duration and obstructive sleep apnea.
... prolonged QRS duration preceded or followed development of ...analysis QRS prolongation was independently associated with OSA in wom- en, but not in men, which could be due to overadjustment (ex- ...
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Computationally Efficient QRS Detection Analysis In Electrocardiogram Based On Dual-Slope Method
... slope QRS detection algorithm which has less computational complexity as well as high ...the QRS complex is relatively fixed, this algorithm is based on the fact that the largest change of slope usually ...
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A Study on Conduction Abnormalities and QRS duration in Patients with Ischemic Cardiomyopathy and their correlation with Ejection Fraction
... a prominent delayed and widened S wave. 3. The QRS duration is increased to 0.14 sec or longer. The mechanism of ventricular activation With complete right bundle block ,as with normal intraventricular ...
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Correlation of QRS duration with intraventricular mechanical dyssynchrony on tissue Doppler imaging in heart failure
... Methods: The HF patients of dilated or ischemic cardiomyopathy with ejection fraction 35% admitted in the medical ward of Patan Hospital, Nepal from March to August 2017 were enrolled in the study. They were divided ...
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Echocardiographic assessment of inter and intra ventricular dyssynchrony in heart failure patients with normal QRS duration.
... NORMAL QRS DURATION” is a bonafide work done by me at the department of Cardiology, Madras Medical College and Government General Hospital during the period 2011 – 2014 under the guidance and supervision of ...
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Sex-Specific Mortality Risk by QRS Morphology and Duration in Patients Receiving CRT Results From the NCDR
... The proportional hazards assumption was confirmed by log-log plotting and supremum test. Multivariable models included adjustments for all covariates in Table 1 and additionally for syncope, family history of sudden ...
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Mining of an electrocardiogram
... 3.4. Procedure of detected spike visualisation After the signal has been processed by the neural network ensemble, we obtain many patterns with a class assigned to each of them (detected a QRS complex, wave P/T or ...
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