Giant T–U Waves Precede Torsades de Pointes in Long QT Syndrome Kirchhof P et al. - Abnormal, giant T–U waves separate TdP initiation in LQTS patients from PVCs in other heart disease and from other PVCs in LQTS patients. These ECG analyses suggest that early afterdepolarizations initiate TdP and, if present, may help to identify an imminent risk for TdP. [more...]
