Arcadi García Alberola

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INTRODUCTION AND OBJECTIVES Mathematical models of cardiac electrical activity may help to elucidate the electrophysiological mechanisms involved in the genesis of arrhythmias. The most realistic simulations are based on reaction-diffusion models and involve a considerable computational burden. The aim of this study was to develop a computer model of(More)
INTRODUCTION AND OBJECTIVES The magnitude of the change in heart rate during the first few minutes of the head-up tilt test has been used to predict the test's result. The aim of this study was to investigate whether the heart rate increase during the head-up tilt test potentiated with nitroglycerin is related to the development of syncope. PATIENTS AND(More)
OBJECTIVES To know HIV-AIDS patient's nutritional status in different infection's condition and their relation with the socioeconomic situation and, in that case, the nutritional condition improvement through the dietetic advice appropriated for each patient. METHODS Prospective study of 79 patients with HIV-AIDS diagnostic in any illness's condition and(More)
INTRODUCTION After coronary stenting, the incidence of subacute stent thrombosis have been reduced to 0% using aspirin and ticlopidine, in studies with selected populations and intracoronary ultrasounds. OBJECTIVE To evaluate the incidence and predictors of subacute stent thrombosis in a nonselected population, using antithrombotic therapy. METHODS We(More)
AIMS Cryoballoon (CB) ablation with the second-generation cryoballoon (CBG2) seems to be more effective than its predecessor [first-generation cryoballoon (CBG1)], but phrenic nerve palsies were observed more frequently. The aim of this study was to compare the safety and efficacy of CBG1 and CBG2 in a substudy of the prospective multicentre, multinational(More)
INTRODUCTION AND OBJECTIVES Numerous variations of the head-up tilt-table test potentiated with nitrates have been reported. After the administration of nitroglycerin, between 10 and 25 min of continued tilting have been recommended. The aim of this study was to assess the optimal duration of the pharmacological phase of the head-up tilt-table test(More)
OBJECTIVES The influence of the location of acute myocardial infarction on the autonomic tone and its evolution during the first hours post-infarct has not been fully evaluated. The aim of this study was to analyze this effect using a spectral analysis of the heart rate variability. PATIENTS AND METHODS Forty-nine consecutive patients with acute(More)
INTRODUCTION AND OBJECTIVES Few data are available on the prognosis of presyncope in patients with structural heart disease. The aim of this study was to compare the clinical characteristics and long-term prognosis of patients with structural heart disease admitted for presyncope or syncope in the cardiology department of a tertiary hospital. METHODS We(More)
The mechanisms responsible for the maintenance and termination of ventricular fibrillation (VF) are poorly understood. The aim of this study was to compare the spectral characteristics of the electrical signal during sustained and non-sustained VF in patients with an implantable cardioverter-defibrillator. The study included 51 patients who had had at least(More)