Current guidelines from the American College of Cardiology and the American Heart Association recommend cardiac resynchronization therapy (CRT) for patients with NYHA class III or IV heart failure ...

Current guidelines support the use of cardiac resynchronization therapy (CRT) in patients with heart failure and a prolonged QRS interval (≥120 ms); however, tissue Doppler imaging has shown that some ...

Washington, DC - A wide QRS interval as an electrocardiographic marker for ventricular dyssynchrony is typically a prerequisite for cardiac resynchronization therapy (CRT) in patients with heart ...

It is widely known that patients with coronary artery disease and left ventricular (LV) dysfunction are at increased risk for arrhythmic and total mortality. The plethora of data from both the primary ...

Genetic variation at 22 loci influences the duration of the QRS interval, a large international collaborative study published in Nature Genetics has shown. People with long QRS intervals are at ...

THE electrocardiographic picture of prolonged QRS-complex duration with short PR interval was the subject of isolated reports 1,2 until Wolff, Parkinson and White 3 described the clinical syndrome of ...

QRS interval widening appears to be highly specific for the diagnosis of hyperkalemia in patients with end-stage kidney disease. ECG changes, in general, have poor sensitivities for hyperkalemia in ...

TO THOSE with extensive electrocardiographic experience, especially if it includes a large proportion of young adults, the finding of the pattern of a short PR interval and a prolonged QRS complex ...