PMC3714046_01
Osborn waves on admission ECG can be seen clearly in the precordial leads. Arrows point to Osborn waves.
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PMC3714046_01_JCHIMP-1-10742-g001.jpg
F0001
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).
Osborn waves resolved 48 hours after admission.
JCHIMP-1-10742-g002.jpg
PMC3714046_01_JCHIMP-1-10742-g002.jpg
F0002
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).