A combination of the Q wave, R wave and S wave, the “QRS complex” represents ventricular depolarization. This term can be confusing, as not all ECG leads contain all three of these waves ...

Because the normal ventricular conduction system (His-Purkinje) is used, the QRS complex is frequently narrow. A junctional rhythm is normally slow — less than 60 beats per minute. When faster ...

Studies investigating QRS-complex abnormalities in association ... time from last drug exposure to first noted electrocardiogram abnormality or clinical evidence of suspected cardiac ...

These ECG voltage attenuations are of extracardiac mechanism, and impact the amplitude of QRS complexes, P-waves, and T-waves, occasionally resulting also in shortening of the QRS complex and QT ...

EKG findings of AIVR include: A run of three or more premature ventricular beats above 30-40 bpm, usually around 60-100 bpm, that can last for as long as one to two minutes. The QRS complex is ...

Main emphasis was put on series of instantaneous vectors of the QRS complex, the ST segment, and the T wave. In order to eliminate inter-individual variability in electrocardiographic wave durations, ...

His regular medications included flecainide and bisoprolol. A 12-lead ECG was obtained demonstrating a ventricular rate of 133 bpm (figure 1A). Following the infusion of intravenous magnesium and ...

A wide QRS complex tachycardia (WCT) is defined as a tachycardia with ... SVT with antegrade conduction via an accessory pathway (AP), ventricular pacing and ECG artefact (box 1). In most cases, paced ...

The ECG findings presented as normal in athletes were established ... The QRS rate for junctional rhythms is typically less than 100 beats/min, and the QRS complex usually narrow unless the baseline ...

The ECG cycle includes P waves, P-R segment and interval, QRS complex, S-T segment and interval, Q-T interval, T wave. P Wave – represents the movement of an electrical wave originating at the ...