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).
Presence of a short PR interval (<120 ms) A wide QRS complex longer than 120 ms with a slurred onset of the QRS waveform, termed a delta wave, in the early part of QRS. Secondary ST-T wave changes (see the image below) Classic Wolff-Parkinson-White electrocardiogram with short PR, QRS >120 ms, and delta wave.