An elderly patient was found down in her apartment with altered mental status. A prehospital ECG was recorded and was identical to this one:
|This is pathognomonic of what condition?|
There is slow atrial fibrillation and pronounced J-waves (Osborn waves).
The patient's temperature was 27 degrees Celsius. There were no electrolyte abnormalities. She was internally rewarmed with an intravascular catheter, treated for a UTI, and did well.
Here is her ECG after rewarming: