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Although it has been postulated that atherosclerotic stenotic lesions cannot remodel in response to altered flow, evidence to support or refute this hypothesis has been elusive. In vitro models have shown that accelerated endothelial shear stress occurs on the upstream side of stenoses, while...
The aim of this study was to evaluate the long-term prognostic value of signal-averaged electrocardiography (SAECG) in idiopathic dilated cardiomyopathy (IDC). Time domain analysis of SAECG was assessed in 131 patients with angiographically confirmed IDC (age 52 ± 12 years; 108 men; left...
Ventricular tachycardia (VT) initiation and its relation to various clinical factors was studied by reviewing intracardiac electrograms from patients with implantable cardioverter-defibrillators. Events were divided into (1) sudden onset without preceding ventricular premature complexes (VPCs),...
Management of patients presenting to the emergency department with chest pain suggestive of acute myocardial infarction (AMI) remains a continuing challenge. A low threshold for admission has been traditional because of concern for patient welfare and the litigation potential associated with the...
Recent interest has shifted from infarct artery patency to microvascular perfusion in the evaluation of patients with acute myocardial infarction (AMI). Microvascular dysfunction occurs in a substantial proportion of patients, despite aggressive therapy with thrombolytic agents and/or...
Case reports were received of a fatal tachycardia caused by a malfunction of an implantable cardioverter defibrillator (ICD), a device that is subject to the tracking regulations of the Food and Drug Administration’s Center for Devices and Radiological Health. The case reports led to a decision...
To demonstrate that the administration of dipyridamole at the end of an insufficient maximal subjective exercise test can improve the diagnostic accuracy of single-photon emission computed tomography in patients with previous myocardial infarction, 209 consecutive patients were studied with...
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