Atrial Fibrillation Quiz

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Osler Jay Justo Guzon

Osler Jay Justo Guzon, MD (Cardiology)

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Learn more about Atrial fibrillation

Content updated on Sep 20, 2022

What is atrial fibrillation?

Atrial fibrillation is a heart condition that causes an irregular and often abnormally fast heart rate, that can lead to blood clots in the heart. Atrial fibrillation increases the risk of stroke, heart failure and other heart-related complications. Atrial fibrillation can be caused by many conditions, most commonly heart valve diseases and heart failure.

Symptoms of atrial fibrillation

  • Feel the heart is pounding

  • My pulse feels irregular

  • Irregular heartbeat

Questions your doctor may ask to check for atrial fibrillation

Your doctor may ask these questions to diagnose atrial fibrillation

  • Do you feel your heart is pounding?

  • Does your pulse feel disordered (irregular)?

  • Do you have an irregular heartbeat?

Treatment for atrial fibrillation

Typically, medications are prescribed to control and restore a normal heart rhythm, example beta blockers. The choice of medication depends on the cause of the atrial fibrillation. Medications to reduce the risk of stroke may be prescribed.

View the symptoms of Atrial fibrillation


  • Lau DH, Linz D, Sanders P. New Findings in Atrial Fibrillation Mechanisms. Card Electrophysiol Clin. 2019 Dec;11(4):563-571. doi: 10.1016/j.ccep.2019.08.007. PMID: 31706465.

  • Bosch NA, Cimini J, Walkey AJ. Atrial Fibrillation in the ICU. Chest. 2018 Dec;154(6):1424-1434. doi: 10.1016/j.chest.2018.03.040. Epub 2018 Apr 6. PMID: 29627355; PMCID: PMC6335260.

  • Zimetbaum P. Atrial Fibrillation. Ann Intern Med. 2017 Mar 7;166(5):ITC33-ITC48. doi: 10.7326/AITC201703070. Erratum in: Ann Intern Med. 2017 Jun 20;166(12 ):920. PMID: 28265666.

  • Reddy V, Taha W, Kundumadam S, Khan M. Atrial fibrillation and hyperthyroidism: A literature review. Indian Heart J. 2017 Jul-Aug;69(4):545-550. doi: 10.1016/j.ihj.2017.07.004. Epub 2017 Jul 5. PMID: 28822529; PMCID: PMC5560908.

  • Kallistratos MS, Poulimenos LE, Manolis AJ. Atrial fibrillation and arterial hypertension. Pharmacol Res. 2018 Feb;128:322-326. doi: 10.1016/j.phrs.2017.10.007. Epub 2017 Oct 18. PMID: 29055746.

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