QT prolongation predicts short-term mortality independent of comorbidity

ConclusionQTc ≥500 ms is a powerful predictor of short-term mortality overruling comorbidities. QTc ≥500 ms also predicted long-term mortality, but this effect was mainly caused by the increased short-term mortality. For long-term mortality, comorbidity was more important.
Source: Europace - Category: Cardiology Source Type: research