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3 years ago
Early repolarisation pattern is defined electrocardiographically by a distinct J wave or J-point elevation that is either a notch or a slur of the terminal part of the QRS entirely above the baseline, with or without ST-segment elevation. The peak of the notch or slur (Jp) should be ≥0.1 mV in two or more contiguous leads, excluding leads V1 to V2 (see Figure 1).1,2 Early repolarisation syndromes…
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3 years ago
Early repolarisation (ER) is defined as J-point elevation of ≥0.1 mV in two adjacent leads with either a slurred or notched morphology (Figures 1 to 4).1,2 Numerous studies have established an association with ER and increased risk of death and idiopathic ventricular fibrillation (VF).1–5 Clinicians face questions such as patient and family counselling, quantitifying the risk of sudden cardiac…
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3 years ago
The entire field of cardiovascular medicine is witnessing an era of rapid scientific progress that occurs against a backdrop of increasing emphasis on the importance of evidence-based practice. In this context, there has been a rapid development of guidelines, scientific statements and position papers by major professional societies, such as the American College of Cardiology/American Heart…
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3 years ago
General understanding of early repolarisation (ER) has dramatically changed in the last decade. For several years, ER has been considered a benign electrocardiographic (ECG) finding with high prevalence in the general population. Recently different studies have challenged this view and showed a significant association with life-threatening arrhythmias.1–5
In 2008 Haïssaguerre et al. first…
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3 years ago
The link between sudden unexplained death in individuals with mental health problems who are administered antipsychotic drugs has been recognised for over a century.1 A clear relationship has emerged over the past 25 years between antipsychotic drugs, prolongation of the QT interval of the ECG, atypical polymorphic tachycardia known as torsade de pointes (TdP) and sudden cardiac death (SCD). A…
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3 years ago
Brugada syndrome (BrS) is a cardiac disease caused by an inherited ion channelopathy. It was first described by the Brugada brothers in 19921 and is associated with a propensity to develop ventricular fibrillation (VF). Brugada syndrome is characterised by prominent J waves appearing as an ST segment elevation in the right precordial leads. In the latest guidelines, diagnosis of BrS constitutes…
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3 years ago
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3 years ago
The Risk of Atrial Arrhythmias in Inherited Primary Arrhythmia Syndromes
The inherited primary arrhythmia syndromes (IPAS) are a heterogeneous group of diseases caused by mutations in genes encoding for cardiac ion channels. People affected by one of these inherited diseases have no overt structural cardiac abnormalities but are at higher risk of sudden cardiac death due to the occurrence of…
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4 months ago
Added:
3 years ago
Historical Precedents
Brugada syndrome (BrS) was first described more than 25 years ago as a clinical entity in people resuscitated from sudden cardiac death due to documented VF.1 The original 1992 case series described eight patients without apparent structural heart disease who all had VF associated with persistent coved ST-segment elevation in the right precordial leads.1 In 1996 this…
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