Echocardiographic Determinants of Peak Aerobic Capacity and Breathing Efficiency in Patients With Undifferentiated Dyspnea

Dec 1, 2016 by in CARDIOLOGY Comments Off on Echocardiographic Determinants of Peak Aerobic Capacity and Breathing Efficiency in Patients With Undifferentiated Dyspnea

Diastolic function and E/e′ correlate with peak aerobic capacity (VO 2 ) in patients with heart failure, but the echocardiographic correlates of abnormal gas exchange in patients without heart failure…

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Relation Between Stroke Volume Index to Risk of Death in Patients With Low-Gradient Severe Aortic Stenosis and Preserved Left Ventricular Function

Dec 1, 2016 by in CARDIOLOGY Comments Off on Relation Between Stroke Volume Index to Risk of Death in Patients With Low-Gradient Severe Aortic Stenosis and Preserved Left Ventricular Function

The aim of the present study was to evaluate whether assessment of stroke volume index (SVI) can be used to improve risk stratification among patients with low-gradient severe aortic stenosis…

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Prevalence of Arrhythmias During Exercise Stress Testing in Patients With Congenital Heart Disease and Severe Right Ventricular Conduit Dysfunction

Dec 1, 2016 by in CARDIOLOGY Comments Off on Prevalence of Arrhythmias During Exercise Stress Testing in Patients With Congenital Heart Disease and Severe Right Ventricular Conduit Dysfunction

The utility of cardiopulmonary exercise testing (CPET) to define the risks of arrhythmia and sudden death in postoperative patients with congenital heart disease (CHD) remains uncertain. As part of the…

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Usefulness of QRS Voltage Correction by Body Mass Index to Improve Electrocardiographic Detection of Left Ventricular Hypertrophy in Patients With Systemic Hypertension

Dec 1, 2016 by in CARDIOLOGY Comments Off on Usefulness of QRS Voltage Correction by Body Mass Index to Improve Electrocardiographic Detection of Left Ventricular Hypertrophy in Patients With Systemic Hypertension

Obesity reduces the accuracy of voltage-based electrocardiographic (ECG) criteria for diagnosis of left ventricular (LV) hypertrophy. We developed a new ECG score for diagnosis of LV hypertrophy, defined either by…

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Usefulness of Electrocardiographic QRS/T Angles With Versus Without Bundle Branch Blocks to Predict Heart Failure (from the Atherosclerosis Risk in Communities Study)

Dec 1, 2016 by in CARDIOLOGY Comments Off on Usefulness of Electrocardiographic QRS/T Angles With Versus Without Bundle Branch Blocks to Predict Heart Failure (from the Atherosclerosis Risk in Communities Study)

Repolarization abnormalities in the setting of bundle branch blocks (BBB) are generally ignored. We used Cox regression models to determine hazard ratios (HRs) with 95% confidence intervals (CIs) for incident…

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