Atrial fibrillation and hypothermia [150 ECG] - Bài viết - Bệnh Học
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Atrial fibrillation and hypothermia [150 ECG]

Cho điểm
Atrial fibrillation and hypothermia
This ECG was recorded from an 80-year-old woman who had been found unconscious with physical signs suggesting a stroke. Any comments?



ANSWER 95

The ECG shows:
• Atrial fibrillation with a ventricular rate of about 55/min
• QRS complex duration prolonged at 200 ms
• Prominent ‘J’ waves, best seen in leads V3–V6
• Widespread but nonspecific ST segment/T wave changes
Clinical interpretation
The atrial fibrillation may or may not be related to her stroke – she may have had a cerebral embolus, or she may have both coronary and cerebrovascular disease. The slow ventricular rate and the ‘J’ waves indicate hypothermia, and her core temperature was 25°C. ECGs from hypothermic patients seldom show ‘J’ waves as clearly as this because there are too many artefacts due to shivering – but this patient was too cold to shiver. She did not survive.

Summary
Atrial fibrillation and hypothermia.
Nguồn: 150 ECG Problems (4th Edition)
Tác giả: John R. Hampton

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