Figure 2. Repeat EKG (8 hr later) after transvenous pacemaker setting was changed to pacing rate at 40bpm. While off pacing, the patient re-demonstrated sinus rhythm with a high grade AV block. Again, significant QT prolongation is noted. (QT 732ms/QTc 558ms).

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