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The importance of the interatrial block has often been overshadowed by the debate on the appropriate cutoff to define its excessively wide P waves. However, by far, most publications have accepted P waves of ≥110 ms to represent abnormal interatrial conduction on the electrocardiogram. These...
The presence of an abnormally short QT interval has been noted among survivors of idiopathic ventricular fibrillation and among close relatives of victims of unexplained sudden death. Most reported cases have had rate-corrected QT (QTc) intervals of <300 ms. The prevalence of such values in the...
High levels of adhesion molecules, such as soluble intercellular adhesion molecule-1 (sICAM-1), are associated with long-term risk of cardiac events in patients with and without stable coronary artery disease. The relation between sICAM-1 and long-term risk after acute coronary syndromes (ACSs)...
Velocity vector imaging is a novel quantitative echocardiographic technique that was applied to routine grayscale echocardiographic images of 23 patients with heart failure who underwent cardiac resynchronization therapy. The hypothesis was tested that velocity vector imaging can quantify left...
It has been demonstrated that high blood vascular endothelial growth factor (VEGF) levels in patients with myocardial infarction decrease rapidly after reperfusion, possibly in response to heparin administration. We measured serum VEGF concentration before and after heparin infusion in 105...
Aortic valve diseases, hypertension, and connective tissue disorders may be causes of ascending aortic aneurysms. Aortic enlargement monitoring is essential for surgical timing and for operative design. In this regard, several imaging techniques may have limitations: magnetic resonance is not...
This study assessed left atrial (LA) dimension as a potential predictor of outcome in hypertrophic cardiomyopathy (HC). From the Italian Registry for Hypertrophic Cardiomyopathy, 1,491 patients (mean age 47 ± 17 years; 61% men; 19% obstructive), followed for 9.4 ± 7.4 years after the initial...
Sirolimus-eluting stents (SESs) have been shown to decrease restenosis compared with bare metal stents (BMSs). Currently, there are limited data on the long-term efficacy of these devices in a real-world patient population. Furthermore, the potential of a late restenotic phenomenon has not yet...
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