Atrial fibrillation

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65-year-old male with no prior history; consultation for palpitations occurring since a few days;
Atrial fibrillation
Atrial fibrillation

Atrial fibrillation is the most commonly observed rhythm disorder in daily cardiology practice and corresponds to a complete disorganization of the electrical activity of the atria leading to the loss of atrial systole.

During an atrial fibrillation episode, the electrocardiogram typically shows: 1) a rapid, disorganized and irregular atrial activity (between 350 and 600 bpm); the atrial waves are difficult to analyze and produce continuous and permanent undulations of the baseline; 2) the QRS complexes are mostly narrow, irregular (justifying the name of complete arrhythmia by atrial fibrillation) with an increased rate > 100 bpm but much...

During atrial fibrillation, the electrocardiogram typically shows rapid, irregular and disorganized atrial activity along with narrow, rapid and irregular QRS complexes.
Atrial fibrillation
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