Atrial Fibrillation Overview
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Questions and Answers

Which primary pathologic change is seen in atrial fibrillation?

  • Hyperplasia of the atrial muscle
  • Atrial muscle hypertrophy
  • Progressive fibrosis of the atria (correct)
  • Decreased atrial tissue elasticity

What is a common symptom of atrial fibrillation that involves a sudden loss of consciousness?

  • Syncope (correct)
  • Palpitations
  • Chest discomfort
  • Breathlessness

How is atrial fibrillation confirmed through an electrocardiogram (ECG)?

  • Irregularly irregular rhythm (correct)
  • Presence of P waves
  • Regular rhythm
  • Fast atrioventricular node conduction

Which diagnostic tool is described as an implantable loop recorder?

<p>Implantable loop recorder (A)</p> Signup and view all the answers

What is the aim of treatment for atrial fibrillation?

<p>Prevent complications like stroke and alleviate symptoms (B)</p> Signup and view all the answers

Which medication is commonly used to prevent stroke and embolism in patients with atrial fibrillation?

<p>Rivaroxaban (C)</p> Signup and view all the answers

What is atrial fibrillation characterized by?

<p>Disorganized electrical impulses in the atria causing fibrillation (A)</p> Signup and view all the answers

Which of the following is a risk factor for atrial fibrillation?

<p>Caffeine (D)</p> Signup and view all the answers

What happens if atrial fibrillation remains untreated?

<p>It can lead to stroke (B)</p> Signup and view all the answers

What is the estimated prevalence of atrial fibrillation in the population?

<p>1% (D)</p> Signup and view all the answers

Which age group has the highest prevalence of atrial fibrillation?

<p>&gt;85 years (D)</p> Signup and view all the answers

What does disrupted rhythm of the cardiac beat originate from in atrial fibrillation?

<p>Atrial tissue (C)</p> Signup and view all the answers

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