Semiautomatic Quantification of Left Ventricular Function by Two‐Dimensional Feature Tracking Imaging Echocardiography. A Comparison Study with Cardiac Magnetic Resonance Imaging

Abstract

Semiautomatic quantification of LV volumes using FTI allows an accurate, rapid, easy and reliable assessment of LV EF and a rough estimation of LV volumes.

Right and Left Ventricular Strain and Strain Rate in Young Adults before and after Percutaneous Atrial Septal Defect Closure

“…Dimensional measures of right and left where also performed later in the postprocessing phase: Right ventricle diastolic and systolic areas were traced manually on apical four‐chamber view optimized for the right ventricle and Fractional Area Change calculated following the ASE recommendation 15 For left ventricular measure those obtained with XStrain were used. This, following endocardial border during all cardiac cycle offer a semiautomated computation of left ventricular volume and ejection fraction based on single plane Simpson formula 16 other than cardiac output and sphericity index based on volume and shape changes.…”

Reproducibility and Diagnostic Accuracy of Three‐Layer Speckle Tracking Echocardiography in a Swine Chronic Ischemia Model

“…Despite recent technological evolution, stress echocardiography remains the current standard in identifying ischemic myocardium, although it is still mainly based on subjective visual interpretation, relatively timeconsuming, costly, and dependent on the observer. [5][6][7][8][9] However, current speckle tracking systems have difficulties for layer-specific analysis. 4 If a new technology could provide a more sensitive means to detect subtle ischemic change, it would become a new strategy in routine echocardiography.…”

The diagnostic challenge of dipyridamole-atropine stress echocardiography in a patient with myocardial bridge

“…This case has the following interesting implications: (1) The ability to detect MB also using a vasodilator stress test (and not only dobutamine echocardiography or exercise test), particularly with the addition of atropine injection, (2) the utility of 2D strain analysis in confirming subtle regional wall-motion abnormalities,[7] and (3) peculiar diagnostic features, on stress echocardiography, suggesting MB rather than obstructive coronary artery disease. In particular, the observed ECG and echocardiographic ischemic changes, although suggestive of a LAD disease, appeared to be late occurring and less extended than usually observed in patients with stable hemodynamic LAD obstruction, which should have determined more pronounced ECG and wall-motion abnormalities.…”