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Bradyarrhythmias.
Thomas J. Dresing1, Bruce L Wilkoff
1Division of Electrophysiology and Pacing, Department of Cardiology, The Cleveland Clinic Foundation, Desk F-15, 9500 Euclid Avenue, Cleveland, OH 44195, USA. wilkofb@ccf.org
Current Treatment Options in Cardiovascular Medicine
|July 11, 2001
Summary
Bradyarrhythmia, defined as slow heart rate with symptoms, warrants intervention. Asymptomatic bradycardia rarely requires aggressive treatment, emphasizing careful evaluation of underlying causes and symptom correlation.
Area of Science:
- Cardiology
- Electrophysiology
Background:
- Bradycardia, a heart rate below 60 bpm, is often asymptomatic.
- The term bradyarrhythmia implies symptomatic bradycardia requiring clinical attention.
Purpose of the Study:
- To define the criteria for diagnosing symptomatic bradyarrhythmia.
- To guide the appropriate management of bradycardic conditions.
Main Methods:
- Clinical opinion and review of current literature.
- Analysis of symptomatic versus asymptomatic bradycardia.
Main Results:
- Symptomatic bradycardia is characterized by syncope, heart failure, or exercise intolerance.
- Asymptomatic bradycardia generally does not necessitate aggressive intervention.
- Temporary pacing may be required during treatment of reversible causes.
Conclusions:
- Bradyarrhythmia diagnosis requires correlation with specific symptoms.
- Pacemaker implantation is reserved for refractory symptomatic cases, including certain syncope types.
- Management should align with established American Heart Association and American College of Cardiology guidelines.