Accelerated idioventricular rhythm [150 ECG] - Bài viết - Bệnh Học
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Accelerated idioventricular rhythm [150 ECG]

Cho điểm
Accelerated idioventricular rhythm
This ECG was recorded from a 45-year-old man, who had been admitted to a coronary care unit with a myocardial infarction and who was recovering well. What is the rhythm, and what would you do?



ANSWER 99

The ECG shows:
• Broad complex rhythm, rate 90/min
• No P waves
• Marked left axis deviation
• QRS complex duration 160 ms
• All chest leads show a downward QRS complex (concordance)
Clinical interpretation
If the heart rate were fast there would be little difficulty in recognizing this as ventricular tachycardia, and this rhythm used to be called ‘slow VT’. It is, however, an accelerated idioventricular rhythm.

What to do
This rhythm is quite commonly seen in patients with an acute myocardial infarction, and indeed is not uncommon in ambulatory ECG records from normal people. It never causes problems, and it is important not to attempt to treat it: suppressing any ‘escape’ rhythm may lead to a dangerous bradycardia.

Summary
Accelerated idioventricular rhythm.
Nguồn: 150 ECG Problems (4th Edition)
Tác giả: John R. Hampton

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