Sick sinus syndrome surgery: Difference between revisions
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#Permanent pacemaker implantation is not indicated for SND with symptomatic bradycardia due to nonessential drug therapy. (Level of Evidence: C)}} | #Permanent pacemaker implantation is not indicated for SND with symptomatic bradycardia due to nonessential drug therapy. (Level of Evidence: C)}} | ||
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===[[ACC AHA guidelines classification scheme#Classification of Recommendations|Class IIa]]=== | ===[[ACC AHA guidelines classification scheme#Classification of Recommendations|Class IIa]]=== | ||
#Permanent pacemaker implantation is reasonable for SND with heart rate less than 40 bpm when a clear association between significant symptoms consistent with bradycardia and the actual presence of bradycardia has not been documented. (Level of Evidence: C) | #Permanent pacemaker implantation is reasonable for SND with heart rate less than 40 bpm when a clear association between significant symptoms consistent with bradycardia and the actual presence of bradycardia has not been documented. (Level of Evidence: C) | ||
#Permanent pacemaker implantation is reasonable for syncope of unexplained origin when clinically significant abnormalities of sinus node function are discovered or provoked in electrophysiological studies. (Level of Evidence: C)}} | #Permanent pacemaker implantation is reasonable for syncope of unexplained origin when clinically significant abnormalities of sinus node function are discovered or provoked in electrophysiological studies. (Level of Evidence: C)}} | ||
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===[[ACC AHA guidelines classification scheme#Classification of Recommendations|Class IIb]]=== | ===[[ACC AHA guidelines classification scheme#Classification of Recommendations|Class IIb]]=== | ||
#Permanent pacemaker implantation may be considered in minimally symptomatic patients with chronic heart rate less than 40 bpm while awake. (Level of Evidence: C)}} | #Permanent pacemaker implantation may be considered in minimally symptomatic patients with chronic heart rate less than 40 bpm while awake. (Level of Evidence: C)}} | ||
Revision as of 02:24, 2 October 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Surgery and Device-based Therapy
ACC/AHA Guidelines- Recommendations for Permanent Pacing in Sinus node Dysfunction
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Class I
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Class III
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Class IIa
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Class IIb
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Bradyarrhythmias are well controlled with pacemakers, while tachyarrhythmias respond well to medical therapy. However, because both bradyarrhythmias and tachyarrhythmias may be present, drugs to control tachyarrhythmia may exacerbate bradyarrhythmia. Therefore, a pacemaker is implanted before drug therapy is begun for the tachyarrhythmia.[1]