2025年1月8日 · When presented with a tachydysrhythmia, start by asking yourself if the QRS complexes are WIDE (>120 msec) or NARROW (<120 msec) and if the R-R intervals are …

The QRS complex is often used to determine the axis of the electrocardiogram, although it is also possible to determine a separate P wave axis. The duration, amplitude, and morphology of the …

Torsades de pointes is a type of polymorphic ventricular tachycardia associated with QTc interval prolongation, it is characterized on the electrocardiogram (EKG) by a continuous twisting in …

2022年9月30日 · Present study demonstrated an increased in ventricular depolarization and its dispersion (QRS) in women than in men; QRS dispersion value showed significance …

The QRS complex (ventricular complex): normal and abnormal configurations and intervals. A complete QRS complex consists of a Q-, R- and S-wave. However, all three waves may not be …

2013年7月13日 · Torsades de pointes, or polymorphic ventricular tachycardia, is a ventricular tachycardia precipitated by and associated with long QT Syndrome. Long QT Syndrome can …

Torsades de pointes ventricular tachycardia is a specific form of polymorphic ventricular tachycardia in patients with a long QT interval. It is characterized by rapid, irregular QRS …

The extrasystole likely causes transmural dispersion of the myocardium, possibly sustaining re-entry? Explore ECG insights on Torsades de Pointes, including differences from Polymorphic …

2023年8月14日 · The QRS width is useful in determining the origin of each QRS complex (e.g. sinus, atrial, junctional or ventricular). Narrow complexes (QRS < 100 ms) are supraventricular …

2024年10月14日 · When presented with a tachydysrhythmia, start by asking yourself if the QRS complexes are WIDE (>120 msec) or NARROW (<120 msec) and if the R-R intervals are …