R-wave double-counting may result in shocks for SVT slower than ... pacemaker-mediated tachycardia—may promote inappropriate shocks by temporarily suspending ventricular pacing and permitting ...

What is a ventricular septal defect? A ventricular septal defect (VSD) is a congenital heart defect. This means that your baby is born with it. A VSD is a hole in the wall (septum) that separates the ...

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Medtronic has received Food and Drug Administration approval to study its Affera mapping and ablation system and Sphere-9 catheter to treat sustained ventricular tachycardia, an abnormal rhythm of the ...

Due to the fact that the tricuspid and mitral valves follow their respective ventricles, there is often a misalignment between the atrial and ventricular septa, disrupting the normal embryological ...