A normal ECG contains waves, intervals, segments and one complex, as defined below. Wave: A positive or negative deflection from baseline that indicates a specific electrical event. The waves on ...

A prolonged QT interval has a variety of causes and can be a very serious ECG finding, as it may lead to the potentially fatal arrhythmia polymorphic ventricular tachycardia (Torsades de Pointes).

In 'Bedside to Bench', Stanley Nattel examines recent clinical studies suggesting that a particular type of readout on an electrocardiogram (ECG) may increase the risk of the condition.

1 The majority of disorders associated with increased risk of sudden cardiac death (SCD), such as cardiomyopathies and primary electrical diseases, are suggested by abnormal findings present on an ECG ...

VPDs with very short coupling intervals developing during an acute stage of myocardial infarction would predict the development of early cycled reentry, potentially culminating in VF, and requires ...

ECG plays an important role in detection of ... CAST trials showed increased sudden death with few antiarrhythmics QT interval prolongation 4–6% 1.5-fold increase Myocardial infarction ...

Conclusion: Q-T interval prolongation and TdP associated with the use of methadone are potentially fatal adverse effects. A thorough patient history and ECG monitoring are essential for patients ...

QT intervals, and heart rate from 12-lead ECGs before being fine-tuned for single-lead ECG data. The dataset was then split into three groups: development (80 %), internal-holdout (20 %), and ...