Among patients with heart failure with narrow QRS complexes who were implanted with an ICD, is cardiac resynchronization therapy associated with a difference in peak oxygen consumption, versus no CRT?

Morphology The assessment of the morphology of the ectopic QRS complex on the ECG helps to identify the anatomical origin of the VA (table 2). Idiopathic PVBs are characterised by the absence of an ...

Again, reading off the computer screen the values of the amplitudes of ECG QRS complexes, it was calculated that the 8.9% increase in the patient's BW was associated with a 24%, 27.3%, 25.9%, 7.9% ...

The QRS complex detection technique for intelligent ECG monitor was presented. Firstly, the pretreatment of ECG data including the rejection of 50Hz power-line interference and the removal of baseline ...

The QRS complex is the most significant segment in the Electrocardiography (ECG) signal. By detecting its position, we can learn the physiological informations of the subjects, e.g. heart rate. In ...

The ST segment is the portion of the surface ECG that is coincident with ventricular repolarization. Although electrocardiographic abnormalities associated with myocardial ischemia or MI may be seen ...

Machine learning and surrogate modelling significantly reduced simulation time, enabling personalised cardiac models to be ...

During the procedure, the CARTO3 three-dimensional anatomical mapping system and ICE were used to record the time, amplitude, and duration of bipolar potentials at the earliest activation site, in ...

Not surprisingly, surface ECG has been extensively studied in this role with features such as late potentials on signal averaged ECG, QRS duration and QT prolongation studied with no reliable ...

Hollywood has shaped how many people imagine a heart attack—someone clutching their chest and collapsing dramatically. But ...

But as will be discussed here, the ECG should not only tell you how to distinguish VT from other tachycardias with a broad QRS complex, but also to suspect its aetiology and its site of origin in the ...

Background Biventricular pacing (CRT) shows clear benefits in heart failure with wide QRS, but results in patients with narrow QRS have been conflicting. In this meta-analysis we tested the hypothesis ...