Journal: Journal of Arrhythmia
Article Title: Automated Assessment to Predict Lethal Arrhythmias in Brugada Syndrome: Significance of R' in Lead III
doi: 10.1002/joa3.70166
Figure Lengend Snippet: Representative electrocardiograms (ECGs) with and without events. During the follow‐up period, ventricular fibrillation/sudden cardiac arrest is observed in patients 1–4 but not in patients 5–8. R' in lead III is observed in patients 1–4. The values in the bottom row in patients 1–4 represent the duration of the R' wave in lead III, calculated using automated analysis. Red arrows indicate R' in lead III. Asterisks indicate type 1 ECG. Patients 1, 2, and 4 do not meet the definition of fragmented QRS in the inferior leads (≥ 3 spikes in ≥ 2 leads) as defined by Morita et al. .
Article Snippet: The numerical values of the various parameters (RR, PQ, QRS, QT, and Tpeak‐end [Tpe] intervals; amplitude and duration of R, S, R', and J waves in all leads; maximum QT interval; and maximum Tpe interval among all leads and nine right precordial leads) on ECG were analyzed using the automatic ECG analysis software (Fukuda Denshi TG02‐06).
Techniques: