Topic
Cardiac arrhythmia
About: Cardiac arrhythmia is a research topic. Over the lifetime, 3334 publications have been published within this topic receiving 79900 citations.
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TL;DR: Total mortality, rather than classifications of cardiac and arrhythmic mortality, should be used as primary objectives for many outcome studies.
Abstract: Sudden cardiac death describes the unexpected natural death from a cardiac cause within a short time period, generally ≤ 1 h from the onset of symptoms, in a person without any prior condition that would appear fatal [1, 2]. Such a rapid death is often attributed to a cardiac arrhythmia, but with the advent of monitoring capabilities from implantable cardioverter-defibrillators (ICDs), it is now well recognized that classifications based on clinical circumstances can be misleading and often impossible, because 40% of sudden deaths can be unwitnessed [3]. Only an ECG or a ventricular electrogram recorded from an implanted device at the time of death can provide definitive information about an arrhythmia. Prodromal symptoms are often nonspecific, and even those taken to indicate ischemia (chest pain), a tachyarrhythmia (palpitations), or congestive heart failure symptoms (dyspnea) can only be considered suggestive. For these reasons, total mortality, rather than classifications of cardiac and arrhythmic mortality, should be used as primary objectives for many outcome studies.
2,590 citations
TL;DR: In this article, positional cloning was used to establish KVLQT1 as the chromosome 11-linked LQT 1 gene responsible for the most common inherited cardiac arrhythmia.
Abstract: Genetic factors contribute to the risk of sudden death from cardiac arrhythmias. Here, positional cloning methods establish KVLQT1 as the chromosome 11-linked LQT1 gene responsible for the most common inherited cardiac arrhythmia. KVLQT1 is strongly expressed in the heart and encodes a protein with structural features of a voltage-gated potassium channel. KVLQT1 mutations are present in affected members of 16 arrhythmia families, including one intragenic deletion and ten different missense mutations. These data define KVLQT1 as a novel cardiac potassium channel gene and show that mutations in this gene cause susceptibility to ventricular tachyarrhythmias and sudden death.
1,714 citations
TL;DR: In this article, the authors proposed AMIOdarone versus implantable cardioverter-defibrillator (ICD-DV) for the treatment of atrial fibrillation.
Abstract: ACC
: American College of Cardiology
ACE
: angiotensin-converting enzyme
ACS
: acute coronary syndrome
AF
: atrial fibrillation
AGNES
: Arrhythmia Genetics in the Netherlands
AHA
: American Heart Association
AMIOVIRT
: AMIOdarone Versus Implantable cardioverter-defibrillator:
1,513 citations
TL;DR: A mechanism for acquired arrhythmia is revealed: genetically based reduction in potassium currents that remains clinically silent until combined with additional stressors.
1,320 citations
TL;DR: The NRCPR is described as the first comprehensive, Utstein-based, standardized characterization of in-hospital resuscitation in the United States, with results that suggest that discharged survivors were generally good and neurological outcome in discharged survivors was generally good.
1,168 citations