Figure 4. EKG after placement of biventricular pacemaker. Note the notably shortened QT interval.

From

New Onset, Irreversible, Prolonged QT-Interval Requiring Permanent Biventricular Pacemaker in a COVID-19 Patient

Ahmad Jallad, Andrew V. Doodnauth, Justin Lee, Emmanuel Valery, Stephanie Myers, Dahlia Rizk, Samy I. McFarlane

American Journal of Medical Case Reports. 2021, 9(4), 249-252 doi:10.12691/ajmcr-9-4-11