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Improved reproducibility of left atrial and left ventricular measurements by guided three-dimensional echocardiography.
OBJECTIVES The objective of this study was to determine whether guided three-dimensional echocardiography could improve the reproducibility of left atrial and left ventricular anteroposteriorExpand
Quantitative assessment of the hemodynamic consequences of aortic regurgitation by means of continuous wave Doppler recordings.
The purpose of this study was to evaluate the ability of continuous wave Doppler ultrasound recordings to reflect the magnitude and hemodynamic effects of aortic regurgitation. Forty-five patientsExpand
Value and limitations of transesophageal echocardiography in determination of left ventricular volumes and ejection fraction.
Several formulas exist for estimating left ventricular volumes and ejection fraction using conventional two-dimensional echocardiography from transthoracic views. Transesophageal imaging providesExpand
Uses and limitations of exercise Doppler echocardiography in the diagnosis of ischemic heart disease.
This study tested the hypothesis that coronary artery disease might be identified by a decrease in Doppler measurements of flow velocity and acceleration. The response of aortic blood flow velocityExpand
Effect of heart rate on left ventricular diastolic transmitral flow velocity patterns assessed by Doppler echocardiography in normal subjects.
Although a number of factors, including age and ventricular loading, are known to influence the pattern of left ventricular (LV) filling as depicted by Doppler echocardiographic transmitral flowExpand
Doppler echocardiographic evaluation of diastolic dysfunction.
Recently, considerable effort has been directed toward the application of Doppler methods for detecting diastolic dysfunction. Recordings of transmitral filling velocity as obtained from pulsed-waveExpand
e-ASPECTS software is non-inferior to neuroradiologists in applying the ASPECT score to computed tomography scans of acute ischemic stroke patients
Background The Alberta Stroke Program Early Computed Tomography Score (ASPECTS) is an established 10-point quantitative topographic computed tomography scan score to assess early ischemic changes. WeExpand
Effect of heart rate on Doppler indexes of systolic function in humans.
Recent investigations have shown Doppler echocardiography to be useful in the noninvasive assessment of left ventricular systolic function. No data exist, however, regarding the influence of heartExpand
Influence of beta-adrenergic blockade upon hemodynamic response to exercise assessed by Doppler echocardiography.
Peak aortic blood flow acceleration and velocity measured by Doppler echocardiography have been documented to be accurate descriptors of left ventricular systolic function. Both acceleration andExpand
Automated quantification of stroke damage on brain computed tomography scans: e-ASPECTS
Emergency radiological diagnosis of acute ischaemic stroke requires the accurate detection and appropriate interpretation of relevant imaging findings. Non-contrast computed tomography (CT) providesExpand