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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

Etiology, pathophysiology, and treatment of atrial fibrillation: part 1

Wilbert S Aronow1

  • 1Department of Medicine, Division of Cardiology, New York Medical College/Westchester Medical Center, Valhalla, New York 10595, USA. wsaronow@aol.com

Cardiology in Review
|June 20, 2008
PubMed

Insights

Atrial fibrillation (AF) increases risks for stroke and death. Immediate treatment is crucial for patients with AF experiencing acute symptoms like chest pain or heart failure, with cardioversion or medications like beta blockers being key interventions.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Internal Medicine

Background:

  • Atrial fibrillation (AF) is linked to increased mortality, stroke, and coronary events compared to sinus rhythm.
  • Rapid ventricular rates in AF can precipitate tachycardia-related cardiomyopathy.
  • Effective management of AF is critical for patient outcomes.

Purpose of the Study:

  • To review the etiology, pathophysiology, and treatment of atrial fibrillation (AF).
  • To outline immediate management strategies for AF patients with acute symptoms.
  • To discuss pharmacological and non-pharmacological treatment options for rate control in AF.

Main Methods:

  • Review of current medical literature on atrial fibrillation management.
  • Analysis of treatment guidelines for acute and chronic AF.
  • Discussion of drug classes including beta blockers, calcium channel blockers, amiodarone, and digoxin.

Main Results:

  • Immediate direct-current cardioversion is recommended for AF patients with acute myocardial infarction, ischemia, hypotension, severe heart failure, or syncope.
  • Intravenous beta blockers, verapamil, or diltiazem are effective for rapid rate control in acute AF.
  • Oral agents or non-pharmacologic therapies are indicated for persistent or drug-refractory AF rate control.

Conclusions:

  • Timely intervention with cardioversion or medications is vital for hemodynamically unstable AF patients.
  • A stepwise approach to rate control, utilizing various pharmacological and non-pharmacological options, is essential for managing AF.
  • Digoxin is not recommended for paroxysmal AF, and amiodarone is reserved for refractory cases.

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