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10 Φεβ 2022 · The Delta wave is a slurred upstroke in the QRS complex. It relates to pre-excitation of the ventricles, and therefore often causes an associated shortening of the PR interval. It is most commonly associated with pre-excitation syndromes such as WPW.
- Epsilon Wave
History of the Epsilon Wave. Guy Hugues Fontaine (1936-2018)...
- Pre-Excitation Syndromes
Broad QRS complexes with a slurred upstroke to the QRS...
- Epsilon Wave
17 Φεβ 2022 · Wolff-Parkinson-White (WPW) syndrome affects 0.1-0.3% of the general population. 1 The characteristic electrocardiogram (ECG) features are (i) shortened PR interval (<120 ms), (ii) slurred QRS upstroke (delta wave), and (iii) prolonged QRS duration (>120 ms) (Figure 1A).
8 Οκτ 2024 · Broad QRS complexes with a slurred upstroke to the QRS complex — the delta wave; Dominant R wave in V1 suggests a left-sided AP, and is sometimes referred to as “Type A” WPW; Tall R waves and inverted T waves in V1-3 mimicking right ventricular hypertrophy (RVH) — these changes are due to WPW and do not indicate underlying RVH
26 Ιαν 2022 · Key features of WPW on an ECG in sinus rhythm include: Short PR interval <120ms; Delta wave: slurred upstroke of the QRS; Widened QRS complex >110ms; Incongruous ST segment and T waves changes; Prominent R waves in V1-3: this mimics a posterior infarction
7 Αυγ 2023 · The hallmark electrocardiographic (ECG) finding of WPW pattern or preexcitation consists of a short PR interval and prolonged QRS with an initial slurring upstroke (“delta” wave) in the presence of sinus rhythm.
3 Φεβ 2022 · WPW syndrome is characterized by a double stimulation of the ventricles. A premature conduction wave via accessory pathways (pre-excitation) stimulates the portions of the ventricles nearest the atrium; then the ventricles depolarize as a result of the conduction wave which proceeds normally through the atrioventricular (AV) node.
29 Ιουν 2015 · In WPW pattern Type C (which is rare) the delta waves are upright in leads V1-V4 but negative in leads V5-V6. In Part 2 we’ll look at the tachyarrhythmias associated with Wolff-Parkinson-White syndrome and discuss appropriate treatment.
