Define succumbing. succumbing synonyms, succumbing pronunciation, succumbing translation, English dictionary definition of succumbing. intr.v. sucÂ·cumbed , sucÂ·cumbÂ·ing , sucÂ·cumbs 1. To submit to an overpowering force or yield to an overwhelming desire; give up or give in.
Ventricular pre-excitation (Wolff-Parkinson-White pattern) Louis Wolff, Sir John Parkinson and Paul Dudley White, who discovered the phenomenon that later would be called the WPW syndrome. The upstroke of the QRS-complex is 'slurred', resulting in a delta-wave (arrow).
As stated above, WPW is present at birth. As the heart forms early in fetal life, it is in the shape of a tube. There are muscle fibers throughout the walls of the heart tube. These fibers have the ability to conduct electricity.