Implantable devices capable of several modes of therapy will require differentiation of various ventricular tachyarrhythmias. Three methods of arrhythmia analysis, magnitude-squared coherence, ventricular rate, and irregularity of cycle length were performed for 45 episodes of induced ventricular tachyarrhythmia in 15 patients. Differentiation of monomorphic ventricular tachycardia from polymor...

introduction: recent evidence has indicated that statins can reduce the incidence of both supraventricular and ventricular arrhythmias with various mechanisms. the primary goal of the present study was to determine direct protective role of simvastatin in modifying concealed conduction and the zone of concealment in a simulated model of atrial fibrillation (af) in an isolated atrioventricular (...

induced with rapid atrial pacing, which subsequently degenerated to ventricular fibrillation. During the same procedure the accessory pathway was successfully ablated and the boy could resume his intensive sporting activity. This case illustrates a possible high risk condition, but what is the chance of clinical occurrence of this arrhythmia and could this arrhythmia endanger the life of this y...

Ventricular fibrillation is one of the major complications which may arise during induced controlled hypothermia. In the absence of cardiac manipulations this condition may arise spontaneously at temperatures below 25° C., but even at temperatures around 280 C. ventricular fibrillation often follows intracardiac manipulaticns (Bigelow, Lindsay, Harrison, Gordon, and Greenwood, 1950). Various me...

INTRODUCTION AND OBJECTIVES There is little information on the effect of acute coronary syndrome complicated by ventricular fibrillation on the long-term incidence of sudden cardiac death. We analyzed this effect in a contemporary cohort of patients with acute coronary syndrome. METHODS We studied 5302 consecutive patients with acute coronary syndrome between December 2003 and December 2012. ...

OBJECTIVE To determine the prevalence of the Brugada sign (right bundle branch block with ST elevation in V1-V3) in idiopathic ventricular fibrillation and in an age matched healthy population. DESIGN ECGs from 39 consecutive patients with idiopathic ventricular fibrillation and 592 healthy controls were reviewed. They were classified as definite, questionable, and no Brugada sign (according ...

Objective: Asphyxia and ventricular fibrillation are the two most prevalent causes of cardiac arrest. The study investigated the differences in brain damage after cardiac arrest between asphyxial and ventricular fibrillation cardiac arrests in rats. Methods: Male healthy Sprague-Dawley rats were randomly assigned to the asphyxial group (cardiac arrest of 6 min, n=15), ventricular fibrillation g...

Since the introduction of our local manufacturing of terfenadine, we have observed and expressed our concern about a small but increasing number of serious ventricular arrhythmias associated with the use of this non sedating antihistamine. In January 1997 a case of torsade de pointes ventricular tachycardia was detected in a previously healthy woman taking terfenadine with erythromycin. El...

Atrial fibrillation is a very common arrhythmia in patients who need an implantable cardioverter-defibrillator (ICD) because of life threatening ventricular tachyarrhythmias. The prevalence of atrial fibrillation at the time of implantation has been calculated to be as high as 20% and it has been reported that during the lifespan of the ICD more than 50% of patients may develop atrial fibrillat...