case_images: PMC10645436_01
case_images: 12-lead EKG on presentation demonstrating normal sinus rhythm with a heart rate of 60 beats per minute, U waves noted in V2 and V3, and prolonged QT interval >600 msec.
case_images: cro-2023-0016-0001-534135_F01.jpg
case_images: PMC10645436_01_cro-2023-0016-0001-534135_F01.jpg
case_images: F1
case_images: EKG revealed normal sinus rhythm with U waves and prolonged QT interval >600 msec, as shown in Figure 1.
case_images: 12-lead EKG on hospital day 4 demonstrating normal sinus rhythm with HR 60 beats per minute and prolonged QT interval at 560 msec.
case_images: cro-2023-0016-0001-534135_F02.jpg
case_images: PMC10645436_01_cro-2023-0016-0001-534135_F02.jpg
case_images: F2
case_images: Subsequent EKG showed improvement of the QT interval alongside a resolution of U waves and subsequently reverted to sinus bradycardia, as demonstrated in Figure 2.