نتایج جستجو برای: long qt سندرم
تعداد نتایج: 790950 فیلتر نتایج به سال:
Prolongation of QTc interval associated with Takotsubo cardiomyopathy (TC) has previously been reported in published case series. We report an unusual case of a patient who presented with TC associated with long-QT syndrome and developed cardiac arrest secondary to torsade de pointes. Since QT prolongation and bradycardia persisted after the resolution of TC, the patient received permanent pace...
BACKGROUND Epinephrine infusion may unmask latent genetic conditions associated with cardiac arrest, including long-QT syndrome and catecholaminergic polymorphic ventricular tachycardia (VT). METHODS AND RESULTS Patients with unexplained cardiac arrest (normal left ventricular function and QT interval) and selected family members from the Cardiac Arrest Survivors with Preserved Ejection Fract...
BACKGROUND The effects of pregnancy on women with the hereditary long QT syndrome are currently unknown. The appropriate medical management of pregnant patients with the long QT syndrome has not been established. METHODS AND RESULTS The study was a retrospective analysis of the 422 women (111 probands affected with the long QT syndrome and 311 first-degree relatives) enrolled in the long QT s...
Two neonates with arrhythmias and the long QT syndrome are described. The arrhythmias were detected in utero and both infants were apparently well after birth. The first infant, although well, had a bradycardia for the first 9 days of life. A normal heart rate was documented at 10 days but a prolonged QT interval was not appreciated on the ECG. He was discharged from hospital but died suddenly ...
introduction: prolongation of qt interval might result in dangerous cardiac arrhythmias, including torsades de pointes (tdp), consequently leading to syncope or death. a limited number of studies carried out in this respect to date have shown that qt interval might increase during pregnancy. on the other hand, it has been shown that each pregnancy might result in an increase in the risk of card...
OBJECTIVES The aims of this study were: 1) to evaluate risk factors influencing the clinical course of mutation-confirmed adult patients with long QT syndrome (LQTS), 2) to study life-threatening cardiac events as a specific end point in adults, and 3) to examine the protective effect of beta-blocker therapy on cardiac events in adult LQTS patients with known cardiac channel mutations. BACKGR...
he advent of genetic testing and the implantable ardioverter-defibrillator (ICD) have so revolutionized the utlook for patients with long QT that the cardiac commuity needs to revise its thinking about long QT syndrome LQTS). This is the underlying message of a report by theridge et al. (1) in this issue of the Journal. Etheridge et al. (1) studied 128 children with LQTS. bout one-half of their...
OBJECTIVES We hypothesized that neonatal long QT syndrome (LQTS) with 2:1 atrioventricular block (AVB) could be related to HERG mutations. BACKGROUND Early onset of LQTS is rare but carries a high risk of life-threatening events such as ventricular arrhythmias and conduction disorders. There are no data on possible gene specificity. METHODS We analyzed the characteristics and outcomes of 23 neo...
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