Questions: 17. How does atrial fibrillation differ than atrial flutter on an ECG? Make it short and simple

17. How does atrial fibrillation differ than atrial flutter on an ECG? Make it short and simple

Solution

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Atrial fibrillation (AF) and atrial flutter (AFL) are both types of arrhythmias that can be identified on an ECG, but they have distinct characteristics:

  • Atrial Fibrillation (AF): The ECG shows an irregularly irregular rhythm with no distinct P waves. Instead, there are erratic, fibrillatory waves between the QRS complexes.

  • Atrial Flutter (AFL): The ECG shows a regular rhythm with characteristic "sawtooth" flutter waves, typically at a rate of around 250-350 beats per minute, between the QRS complexes.

In summary, AF is characterized by an irregularly irregular rhythm and absence of distinct P waves, while AFL shows a regular rhythm with sawtooth flutter waves.

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