Figure 1
From: High prevalence of altered cardiac repolarization in patients with COPD

The length of the QT interval was obtained by identifying the QRS onset and the point at which the downward slope of the T wave returns to baseline.
From: High prevalence of altered cardiac repolarization in patients with COPD
The length of the QT interval was obtained by identifying the QRS onset and the point at which the downward slope of the T wave returns to baseline.