case_images: PMC3714046_01
case_images: Osborn waves on admission ECG can be seen clearly in the precordial leads. Arrows point to Osborn waves.
case_images: JCHIMP-1-10742-g001.jpg
case_images: PMC3714046_01_JCHIMP-1-10742-g001.jpg
case_images: F0001
case_images: A 12-lead electrocardiogram (ECG) revealed normal sinus rhythm with a rate of 62 bpm, right bundle branch block, prolonged QT interval (QTc of 564 ms), wide QRS (110 ms), and a prominent J wave in the precordial leads (Fig. 1).
case_images: Osborn waves resolved 48 hours after admission.
case_images: JCHIMP-1-10742-g002.jpg
case_images: PMC3714046_01_JCHIMP-1-10742-g002.jpg
case_images: F0002
case_images: After the patient was warmed to a normal core body temperature, hydrated, and made normotensive, repeat ECG showed a normal sinus rhythm of 79 bpm, right bundle branch block, prolonged QT (QTc of 488), and resolution of the J waves (Fig. 2).