Improving identification and treatment of atrial fibrillation

Tim Betts1

  • 1Oxford Heart Centre, John Radcliffe Hospital, Oxford, UK.

The Practitioner
|March 13, 2013
PubMed

Insights

Atrial fibrillation (AF), the most common heart arrhythmia, affects millions globally, increasing stroke risk five-fold. Early diagnosis and management are crucial for preventing serious complications like thromboembolism.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Public Health

Background:

  • Atrial fibrillation (AF) is the most prevalent sustained cardiac arrhythmia.
  • Prevalence increases significantly with age, affecting a substantial portion of older adults.
  • AF encompasses paroxysmal, persistent, and permanent forms, with a natural progression from paroxysmal to persistent.

Purpose of the Study:

  • To summarize the epidemiology, natural history, and clinical implications of atrial fibrillation.
  • To highlight the importance of risk factor assessment and diagnostic evaluations in AF patients.

Main Methods:

  • Review of existing literature on atrial fibrillation prevalence, risk factors, and consequences.
  • Emphasis on clinical assessment including physical examination, thyroid function tests, and echocardiography as recommended by NICE guidelines.

Main Results:

  • AF significantly increases the risk of systemic thromboembolism and stroke by five-fold.
  • Loss of atrial contraction and altered clotting factors contribute to left atrial thrombus formation.
  • Common risk factors are associated with AF development, though idiopathic cases exist.

Conclusions:

  • Atrial fibrillation is a common and serious condition requiring comprehensive patient assessment.
  • Prompt diagnosis and management are essential to mitigate the elevated risk of stroke and thromboembolic events.

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